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is given as a parameter. The argument pmust be the address of an object in an EE data, PSV or executable memory space; otherwise an error message is produced and the compilation fails. See the space attribute in the MPLAB® C30 C Compiler User’s Guide. Prototype: unsigned int __builtin_psvpage(const void *p); Argument: p object address Return Value: Returns the psv page number of the object whose address is given as a parameter. Assembler Operator / Machine Instruction: psvpage MPLAB C30 Built-in Functions 2004 Microchip Technology Inc. DS51456B-page 379 5.3 BUILT-IN FUNCTION ERROR MESSAGES The following error messages are produced when the built-in functions are used incorrectly. Argument to __builtin_function() is not the address of an object in code, psv, or eedata section The argument to the following built-in functions must be an explicit object address: • __builtin_tblpage • __builtin_tbloffset • __builtin_psvpage • __builtin_psvoffset For example, if objis object in an executable or read-only section, the following syntax is valid: unsigned page = __builtin_function(&obj); __builtin_psvoffset Description: The function returns the psv page offset of the object whose address is given as a parameter. The argument pmust be the address of an object in an EE data, PSV or executable memory space; otherwise an error message is produced and the compilation fails. See the space attribute in the MPLAB® C30 C Compiler User’s Guide. Prototype: unsigned int __builtin_psvoffset(const void *p); Argument: p object address Ví dụ sử dụng ............................................... 101 Mở ................................................. ................ 96 Đọc ................................................. ................ 99 Thiết lập kênh ................................................ ...... 99 Thiết lập ngắt PriorityMacro ............................. 100 Bắt đầu chuyển đổi ............................................... 96 Dừng lấy mẫu ................................................ 99 ... Cấp phát bộ nhớ ................................................ 284 .... calloc ................................................. .............. 278 Miễn phí ................................................. ................ 281 realloc ................................................. ............ 287 Ký tự chữ cái Xác định ................................................. ........... 196 Kiểm tra cho ................................................ ............ 196 Kí tự Xác định ................................................. ........... 196 Kiểm tra cho ................................................ ............ 196 AM / PM ............................................... .................... 323 Nối ................................................. .......... 300, 306 arccosine Đôi Floating Point ...................................... 325 Độc Floating Point ....................................... 326 arcsine Đôi Floating Point ...................................... 327 Độc Floating Point ....................................... 327 arctangent Đôi Floating Point ...................................... 328 Độc Floating Point ....................................... 329 dsPIC ® Thư viện Công cụ Ngôn ngữ DS51456B trang 384 2004 Microchip Technology Inc arctangent của y / x Đôi Floating Point ...................................... 329 Độc Floating Point ....................................... 331 Danh sách tham số .................................. 221, 267, 268, 269 Thông báo lỗi số học ....................................... 216 ASCII Character Set ............................................... 381 asctime ................................................. .................. 318
Return Value: Returns the psv page number offsetof the object whose address is given as a parameter. Assembler Operator / Machine Instruction: psvoffset __builtin_return_address Description: This function returns the return address of the current function, or of one of its callers. For the levelargument, a value of 0 yields the return address of the current function, a value of 1 yields the return address of the caller of the current function, and so forth. When level exceeds the current stack depth, 0 will be returned. This function should only be used with a non-zero argument for debugging purposes. Prototype: int __builtin_return_address (const int level); Argument: level Number of frames to scan up the call stack. Return Value: Returns the the return address of the current function, or of one of its callers. Assembler Operator / Machine Instruction: return_address dsPIC ® Language Tools Libraries DS51456B-page 380 NOTES: dsPIC ®LANGUAGE TOOLS LIBRARIES 2004 Microchip Technology Inc. 2004 Microchip Technology Inc. DS51456B-page 381 Appendix A. ASCII Character Set TABLE A-1: ASCII CHARACTER SET Most Significant Character Least Significant Character Hex01234567 0 NUL DLE Space 0 @ P ‘ p 1 SOH DC1 ! 1 A Q a q 2 STX DC2 " 2 B R b r asin ................................................. ........................ 327 asinf ................................................. ....................... 327 khẳng định ................................................. .................... 195 assert.h ............................................... ................... 195 Phân Ngăn chặn ........................................ 259 Asterisk ................................................. ......... 253, 259 atan ................................................. ....................... 328 atan2 ................................................. ..................... 329 atan2f ................................................. .................... 331 atanf ................................................. ...................... 329 atexit ................................................. .............. 272, 280 atof ................................................. ........................ 274 atoi ................................................. ........................ 275 atol ................................................. ........................ 275 B BartlettInit ................................................. ................ 26 Cơ sở ................................................. .............. 291, 292 10 ............................. 207, 208, 209, 210, 350, 351 2 ................................................. ..................... 209 e ................................................. ............. 349, 352 FLT_RADIX .............. 206, 207, 208, 209, 210, 211 Nhị phân Cơ sở ................................................. ............... 209 Chế độ ................................................. ...... 236, 264 Tìm kiếm ................................................. ............ 276 Suối ................................................. .......... 225 Bitfields ................................................. .................. 224 BitReverseComplex ................................................. . 60 BlackmanInit ................................................. ............ 27 BORStatReset ................................................. ....... 119 brk ................................................. ................. 367, 372 bsearch ................................................. ................. 276 Dung lượng bộ đệm ................................................ ...... 226, 262 BufferEmptyDCI ................................................. 150 .... Chế độ đệm ................................................ ..... 262 Đệm, Đệm SeeFile BUFSIZ ................................................. ......... 226, 261 Được xây dựng trong chức năng __builtin_divsd ................................................ 376
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2004 Microchip Technology Inc. DS51
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dsPIC ®LANGUAGE TOOLS LIBRARIES 20
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215 4.11 variable argument lists .
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and macros for standard C operation
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This documentation is provided on t
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• Development Systems Information
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data section. The alternate startup
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specific libraries.) When compiling
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esults will occur when the function
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A batch file named makedsplib.batis
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-15 or smaller than -1.0. Analogous
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CORCON saved, used, restored DOand
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fractional* srcV ); Arguments: numE
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VectorCorrelateis 4 less than whate
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less than or equal to any previous
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Remarks: The negated value of 0x800
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Cycles (including C-function call a
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plus program words from VectorCopy
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Prototype: extern fractional* Black
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); Arguments: numElems number of el
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the base address of the matrix. Bec
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in default RAM memory space (X-Data
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0 ≤i < numRows1 0 ≤j < numCols2
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20 + 3(numRows*numCols) MatrixSubtr
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(of the same dimension) whose eleme
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history of the filter. After perfor
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Oppenheim and Ronald Schafer’s Di
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modulo buffer. Source samples, x[n]
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FIRDelayInit Description: FIRDelayI
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filter. Include: dsp.h Prototype: e
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FIRStruct* filter, fractional* refS
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energyEstimate estimated energy val
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fractional* delayBase ); Arguments:
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Source File: iircan.asm DSP Library
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srcSamps pointer to source samples
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} IIRTransposedStruct; extern fract
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no REPEATinstructions Program words
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Language Tools Libraries DS51456B-p
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for instance if: a = Op1 (b, c), wi
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and stores the results in the desti
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Description: DCTIPcomputes the Disc
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int log2N, fractcomplex* dstCV, fra
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fractcomplex* srcCV, fractcomplex*
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value can be calculated using the i
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A complex vector of size N/2 must h
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specific libraries. When compiling
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Control I/O pin definitions RW_PIN
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y calling the BusyXLCD()function. T
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COM1_COM16 COM16_COM1 Display On/Of
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Source File: CAN1AbortAll.c CAN2Abo
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char CAN2IsRXPassive(void); Argumen
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CAN2SendMessage Description: This f
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CAN2SetMask Description: This funct
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CAN_IDLE_CON_NO_WAITCAN On in Idle
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CAN_INDI_INVMESS_DIS CAN_INDI_WAK_D
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{ /* Length of data tobe transmitte
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Return Value: If the value of DONE
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dsPIC Peripheral Libraries 2004 Mic
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..... SKIP_SCAN_AN15 Return Value:
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DS51456B-page 100 3.5.2 Individual
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3.6 ADC10 FUNCTIONS This section co
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Module On/Off ADC_MODULE_ON ADC_MOD
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ADPCFG register as defined below: E
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ADC_CHX_NEG_SAMPLEB_AN6AN7AN8 ADC_C
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Scanselect = SKIP_SCAN_AN2 & SKIP_S
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dsPIC ® Language Tools Libraries D
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void OpenTimer4(unsigned int config
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Tx_SOURCE_EXT Tx_SOURCE_INT period
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3.7.2 Individual Macros WriteTimer2
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SetPriorityIntT4 SetPriorityIntT5 D
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Code Example: char reset_state; res
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Arguments: None Remarks: This macro
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stored into CNPU2 register. The upp
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SetPriorityInt2 SetPriorityInt3 Set
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IC_INT_PRIOR_3 IC_INT_PRIOR_4 IC_IN
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ReadCapture3 ReadCapture4 ReadCaptu
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void CloseOC4(void); void CloseOC5(
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Include: outcompare.h Prototype: vo
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Include: outcompare.h Prototype: un
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SetDCOC3PWM SetDCOC4PWM SetDCOC5PWM
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Code Example: pulse_start = 0x40 ;
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T3CON = 0x8000; T1CON = 0X8000; /*
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Transmit Interrupt Priority UART_TX
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UART_1STOPBIT config2 This contains
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Source File: WriteUART1.c WriteUART
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Code Example: EnableIntU2TX; Disabl
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ConfigIntUART1(UART_RX_INT_EN & UAR
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DCI_INT_PRI_4 DCI_INT_PRI_5 DCI_INT
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DCI_FRAME_LEN_15 DCI_FRAME_LEN_14 .
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Prototype: unsigned int ReadDCI(uns
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contents are sent duringthe timeslo
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SPI_INT_PRI_4 SPI_INT_PRI_5 SPI_INT
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Prototype: void WriteSPI1(unsigned
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Remarks: This functions initializes
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2004 Microchip Technology Inc. DS51
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SEC_PRESCAL_7_1 & PRI_PRESCAL_64_1;
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enables/disables the interrupt. Sou
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QEI_QE_CLK_DIVIDE_1_32 QEI_QE_CLK_D
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} int main(void) { unsigned int max
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PWM_PEN2H PWM_PDIS2H PWM_PEN1H PWM_
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PWM_POUT_1L Bit defines related to
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PWM_DTS3I_UA PWM_DTS3I_UB Dead Time
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PWM_OVA3H_INACTIVE PWM_OVA2H_INACTI
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#include #include void __attribute
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Prototype: void ConfigIntI2C(unsign
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Arguments: None Return Value None R
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a #definestatement in the i2c.h Sou
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I2C_IDLE_CON SCL Release Control bi
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i2c_data_wait This is the timeout c
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3.17.2 Individual Macros StartI2C D
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Arguments: None Remarks: This macro
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• src\libm- source code for math
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Remarks: The expression evaluates t
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if (isalpha(ch)) printf("# is alpha
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Remarks: A character is considered
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ch = '&'; if (isprint(ch)) printf("
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int ch; ch = 'B'; printf("B changes
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DBL_MIN_10_EXP Description: Minimum
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Include: Value: 1 Remarks: Rounds
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Description: Maximum value of a lon
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abort - terminating See the example
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} Output: Illegal instruction execu
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must be at least one named argument
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Include: Prototype: #define va_end
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to perform input and output operati
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_IOLBF Description: Indicates line
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Include: Prototype: void clearerr(
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Include: Prototype: int feof(FILE
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Error indicator reset Standard C Li
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fpos_t pos; char buf[25]; if ((myfi
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Description: Opens a file. Include:
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Explanation: afile1must exist befor
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Arguments: s string to be written s
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10.0/2 = 5.000000 10.0/3 = 3.333333
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Explanation: This program uses myfi
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SEEK_CUR- seeks from the current po
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*pos if successful; otherwise, fset
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if ((myfile = fopen("afile.out", "r
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10.0/2 = 5.000000 10.0/3 = 3.333333
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Return Value: Returns the character
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Standard C Libraries with Math Func
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e, E doublein scientific notation f
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putchar Description: Put a characte
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Output: File renamed dsPIC ® Langu
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® Language Tools Libraries DS51456
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setbuf(myfile1, NULL); printf("myfi
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int main(void) { char sbuf[100], s[
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Include: Prototype: char *tmpnam(c
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ungetc (Continued) Standard C Libra
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va_list ap; va_start(ap, fmt); prin
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with operands of type long. Include
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i = -2; printf("The absolute value
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(int) strtol(s,0,10)except it does
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eturn 0; else return 1; } Output: S
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printf("For div(%d, %d)\n", x, y);
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free Description: Frees memory. Inc
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printf("The absolute value of %7ld
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is undefined. malloc Description: A
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with the key Remarks: qsortoverwrit
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object. If reallocsucceeds in alloc
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optional whitespace, followed by an
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® Language Tools Libraries DS51456
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Prototype: size_t wcstombs(char *s,
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characters in s2and returns a value
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printf("\n"); memcpy(buf1, buf3, 5)
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printf("\n"); printf("memset(\"%s\"
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printf("buf1 : %s\n\n", buf1); ptr
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uf3 : Why? buf2 comes before buf1 b
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str1, str2, res); res = strcspn(str
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(string length = 11 characters) str
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s2 second string n number of charac
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printf("buf1 : %s\n", buf1); printf
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contained in s2. Example: #include
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else printf("%c not found\n", ch2);
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printf("\"%s\" found at position %d
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Output: str1 : Here, on top of the
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MMMis month of the year ddis day of
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printf("Local time = %s\n", asctime
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Example: #include /* for strftime,
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(in magnitude) to be represented in
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Argument: x value between -1 and 1
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y = atan (x); printf("The arctangen
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if (errno) perror("Error"); printf(
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Page 391 and 392: } Output: The cosine of -1.000000 i
Page 393 and 394: Error: range error The hyperbolic c
Page 395 and 396: errno = 0; x = -1E3; y = exp (x); i
Page 397 and 398: y = fabs (x); printf("The absolute
Page 399 and 400: -2.0F, -1.75F, -1.5F, -1.25F}; floa
Page 401 and 402: x, y, z); errno = 0; x = 7.0; y = 0
Page 403 and 404: perror("Error"); printf("For fmodf
Page 405 and 406: Return Value: Returns the fraction,
Page 407 and 408: printf("For a number = %fand an exp
Page 409 and 410: ldexpf(-0.625000, 2) = -2.500000 Fo
Page 411 and 412: x, y); errno = 0; x = 0.0; y = log1
Page 413 and 414: NaN is returned if xis a negative n
Page 415 and 416: Arguments: x single precision float
Page 417 and 418: dsPIC ® Language Tools Libraries D
Page 419 and 420: The sine of -1.000000 is -0.841471
Page 421 and 422: The hyperbolic sine of 0.000000 is
Page 423 and 424: Error: domain error The square root
Page 425 and 426: Return Value: Returns the tangent o
Page 427 and 428: x, y); } Output: The hyperbolic tan
Page 429 and 430: the calling process's data segment.
Page 431 and 432: eginning of the file. A return valu
Page 433 and 434: through the simulator. The return v
Page 435 and 436: uffer points to the storage locatio
Page 437 and 438: div.sd __builtin_divud Description:
Page 439: mul.uu dsPIC ® Language Tools Libr
Page 443 and 444: __builtin_mulus ...................
Page 445 and 446: arcsine Double Floating Point......
Page 447 and 448: Set Priority Macro.................
Page 449 and 450: isxdigit...........................
Page 451 and 452: String to Unsigned LongInteger ....
Page 453 and 454: DCT................................
Page 455 and 456: EnableIntlCx.......................
Page 457 and 458: Single Floating Point .............
Page 459 and 460: DBL_MAX_10_EXP ....................
Page 461 and 462: Single Floating Point..............
Page 463 and 464: tanhf .............................
Page 465 and 466: Set Capture Interrupt Priority ....
Page 467 and 468: ldiv_t ............................
Page 469 and 470: long long unsigned int Maximum Valu
Page 471 and 472: MatrixInvert ......................
Page 473 and 474: Single Floating Point..............
Page 475 and 476: system.............................
Page 477 and 478: Quick Sort ........................
Page 479 and 480: SEEK_SET...........................
Page 481 and 482: Minimum Value .....................
Page 483 and 484: va_arg ............................
Page 485 and 486: atoi ..............................
Page 487 and 488: strncpy ...........................
Page 489 and 490: Write..............................
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unsigned short int Maximum Value ..
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Zero, divide by....................
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