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Description: This macro disables all the peripheral interrupts for specified number of instruction cycles. Include: reset.h Arguments: cycles Remarks: This macro executes DISI instruction to disable all the peripheral interrupts for specified number of instruction cycles. Code Example: DisableInterrupts(15); PORStatReset Description: This macro sets POR bit of RCON register to reset state. Include: reset.h Arguments: None Remarks: None Code Example: PORStatReset; BORStatReset Description: This macro sets BOR bit of RCON register to reset state. Include: reset.h Arguments: None Remarks: None Code Example: BORStatReset; dsPIC ® Language Tools Libraries INT_ENABLE INT_DISABLE Ưu tiên ngắt INT_PRI_0 INT_PRI_1 INT_PRI_2 INT_PRI_3 INT_PRI_4 INT_PRI_5 INT_PRI_6 INT_PRI_7 Trở lại giá trị: Không Bình luận: chức năng này sẽ xóa cờ ngắt tương ứng với pin INTx và sau đó chọn cạnh phát hiện cực. Sau đó, đặt ưu tiên ngắt và cho phép / vô hiệu hóa ngắt. Source File: ConfigInt0.c ConfigInt1.c ConfigInt2.c ConfigInt3.c ConfigInt4.c Mã số Ví dụ: ConfigINT0 (RISING_EDGE_INT & EXT_INT_PRI_5 & EXT_INT_ENABLE); dsPIC DS51456B-page 120 2004 Microchip Technology Inc. ® 3.9 I/O PORT FUNCTIONS This section contains a list of individualfunctions for I/O ports. Functions may be implemented as macros. 3.9.1 Individual Functions WDTSWEnable Description: This macro turns on the watchdog timer Include: reset.h Arguments: None Remarks: This macro sets Software WDT Enable (SWDTEN) bit of RCON register Code Example: WDTSWEnable; WDTSWDisable Description: This macro clears Software WDT Enable (SWDTEN) bit of RCON register Include: reset.h Thư viện Công cụ Ngôn ngữ DS51456B trang 122 2004 Microchip Technology Inc ConfigCNPullups Mô tả: Chức năng này cấu hình các điện trở kéo lên cho CN chân. Bao gồm: ports.h Prototype: void ConfigCNPullups (long int config); Đối số: cấu hình này là giá trị 32-bit để cấu hình pull-up. Thấp hơn từ được lưu trữ vào CNPU1 đăng ký và từ trên tiếp theo là lưu trữ trong CNPU2 đăng ký. 8 bit trên của CNPU2 đăng ký là chưa thực hiện. Trở lại giá trị: Không Bình luận: Không có Source File: ConfigCNPullups.c Mã số Ví dụ: ConfigCNPullups (0xFFF); ConfigIntCN
Arguments: None Remarks: This macro disables WDT ifFWDTEN Fuse bit is ‘0’. Code Example: WDTSWDisable; CloseINT0 CloseINT1 CloseINT2 CloseINT3 CloseINT4 Description: This function disables the external interrupt on INT pin. Include: ports.h Prototype: void CloseINT0(void); void CloseINT1(void); void CloseINT2(void); void CloseINT3(void); void CloseINT4(void); Arguments: None Return Value: None Remarks: This function disables the interrupt on INT pin and clears the corresponding Interrupt flag. Source File: CloseInt0.c CloseInt1.c CloseInt2.c CloseInt3.c CloseInt4.c Code Example: CloseINT0(); dsPIC Peripheral Libraries 2004 Microchip Technology Inc. DS51456B-page 121 ConfigINT0 ConfigINT1 ConfigINT2 ConfigINT3 ConfigINT4 Description: This function configures the interrupt on INT pin. Include: ports.h Prototype: void ConfigINT0(unsigned int config); void ConfigINT1(unsigned int config); void ConfigINT2(unsigned int config); void ConfigINT3(unsigned int config); void ConfigINT4(unsigned int config); Mô tả: Chức năng này cấu hình ngắt CN. Bao gồm: ports.h Prototype: void ConfigIntCN (long int config); Đối số: cấu hình này là giá trị 32-bit cho cấu hình CN ngắt. Thấp hơn 24 bit bao gồm các cá nhân cho phép / vô hiệu hóa thông tin cho CN ngắt. Thiết lập bit x (x = 0, 1, ..., 23) sẽ cho phép ngắt CNX. Nhất byte trên các cấu hình bao gồm các ưu tiên ngắt và Enable / Disable bit. Từ thấp được lưu trữ vào CNEN1register và tiếp theo byte trên được lưu trữ vào sổ đăng ký CNEN2 và trên hầu hết các byte được sử dụng để ưu tiên thiết lập và kích hoạt / vô hiệu hóa CN ngắt. Trở lại giá trị: Không Ghi chú: Chức năng này sẽ xóa sạch các interruptflag CN và cho phép / vô hiệu hóa ngắt cá nhân trên CN chân. Điều này cũng có cấu hình ưu tiên ngắt và cho phép / vô hiệu hóa các CN Kích hoạt tính năng ngắt bit. Source File: ConfigIntCN.c Mã số Ví dụ: // này sẽ cho phép CN0, CN1, CN2 và CN7 chỉ. ConfigIntCN (CHANGE_INT_OFF & CHANGE_INT_PRI_4 & 0xFF000087); dsPIC Thư viện ngoại vi 2004 Microchip Technology Inc DS51456B trang 123 3.9.2 Macros cá nhân EnableCN0 EnableCN1 EnableCN2 ..................... EnableCN23 Mô tả: vĩ mô Điều này cho phép các cá nhân thông báo thay đổi gián đoạn. Bao gồm: ports.h Lập luận: Không Bình luận: Không có Mã số Ví dụ: EnableCN6; DisableCN0 DisableCN1 DisableCN2 ......................
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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
Page 95 and 96: Control I/O pin definitions RW_PIN
Page 97 and 98: y calling the BusyXLCD()function. T
Page 99 and 100: COM1_COM16 COM16_COM1 Display On/Of
Page 101 and 102: Source File: CAN1AbortAll.c CAN2Abo
Page 103 and 104: char CAN2IsRXPassive(void); Argumen
Page 105 and 106: CAN2SendMessage Description: This f
Page 107 and 108: CAN2SetMask Description: This funct
Page 109 and 110: CAN_IDLE_CON_NO_WAITCAN On in Idle
Page 111 and 112: Language Tools Libraries DS51456B-p
Page 113 and 114: CAN_INDI_INVMESS_DIS CAN_INDI_WAK_D
Page 115 and 116: { /* Length of data tobe transmitte
Page 117 and 118: Return Value: If the value of DONE
Page 119 and 120: dsPIC Peripheral Libraries 2004 Mic
Page 121 and 122: ..... SKIP_SCAN_AN15 Return Value:
Page 123 and 124: DS51456B-page 100 3.5.2 Individual
Page 125 and 126: 3.6 ADC10 FUNCTIONS This section co
Page 127 and 128: Module On/Off ADC_MODULE_ON ADC_MOD
Page 129 and 130: ADPCFG register as defined below: E
Page 131 and 132: ADC_CHX_NEG_SAMPLEB_AN6AN7AN8 ADC_C
Page 133 and 134: Scanselect = SKIP_SCAN_AN2 & SKIP_S
Page 135 and 136: dsPIC ® Language Tools Libraries D
Page 137 and 138: void OpenTimer4(unsigned int config
Page 139 and 140: Tx_SOURCE_EXT Tx_SOURCE_INT period
Page 141 and 142: 3.7.2 Individual Macros WriteTimer2
Page 143 and 144: SetPriorityIntT4 SetPriorityIntT5 D
Page 145: Code Example: char reset_state; res
Page 149 and 150: stored into CNPU2 register. The upp
Page 151 and 152: SetPriorityInt2 SetPriorityInt3 Set
Page 153 and 154: IC_INT_PRIOR_3 IC_INT_PRIOR_4 IC_IN
Page 155 and 156: ReadCapture3 ReadCapture4 ReadCaptu
Page 157 and 158: dsPIC ® Language Tools Libraries D
Page 159 and 160: void CloseOC4(void); void CloseOC5(
Page 161 and 162: Include: outcompare.h Prototype: vo
Page 163 and 164: Include: outcompare.h Prototype: un
Page 165 and 166: SetDCOC3PWM SetDCOC4PWM SetDCOC5PWM
Page 167 and 168: Code Example: pulse_start = 0x40 ;
Page 169 and 170: T3CON = 0x8000; T1CON = 0X8000; /*
Page 171 and 172: Transmit Interrupt Priority UART_TX
Page 173 and 174: UART_1STOPBIT config2 This contains
Page 175 and 176: Source File: WriteUART1.c WriteUART
Page 177 and 178: Code Example: EnableIntU2TX; Disabl
Page 179 and 180: ConfigIntUART1(UART_RX_INT_EN & UAR
Page 181 and 182: DCI_INT_PRI_4 DCI_INT_PRI_5 DCI_INT
Page 183 and 184: DCI_FRAME_LEN_15 DCI_FRAME_LEN_14 .
Page 185 and 186: Prototype: unsigned int ReadDCI(uns
Page 187 and 188: contents are sent duringthe timeslo
Page 189 and 190: SPI_INT_PRI_4 SPI_INT_PRI_5 SPI_INT
Page 191 and 192: Prototype: void WriteSPI1(unsigned
Page 193 and 194: Remarks: This functions initializes
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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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dsPIC ® Language Tools Libraries D
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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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for (i=0; i
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} Output: The cosine of -1.000000 i
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Error: range error The hyperbolic c
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errno = 0; x = -1E3; y = exp (x); i
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y = fabs (x); printf("The absolute
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-2.0F, -1.75F, -1.5F, -1.25F}; floa
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x, y, z); errno = 0; x = 7.0; y = 0
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perror("Error"); printf("For fmodf
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Return Value: Returns the fraction,
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printf("For a number = %fand an exp
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ldexpf(-0.625000, 2) = -2.500000 Fo
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x, y); errno = 0; x = 0.0; y = log1
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NaN is returned if xis a negative n
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Arguments: x single precision float
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The sine of -1.000000 is -0.841471
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The hyperbolic sine of 0.000000 is
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Error: domain error The square root
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Return Value: Returns the tangent o
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x, y); } Output: The hyperbolic tan
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the calling process's data segment.
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eginning of the file. A return valu
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through the simulator. The return v
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uffer points to the storage locatio
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div.sd __builtin_divud Description:
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mul.uu dsPIC ® Language Tools Libr
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Return Value: Returns the psv page
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__builtin_mulus ...................
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arcsine Double Floating Point......
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Set Priority Macro.................
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isxdigit...........................
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String to Unsigned LongInteger ....
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DCT................................
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EnableIntlCx.......................
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Single Floating Point .............
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DBL_MAX_10_EXP ....................
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Single Floating Point..............
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tanhf .............................
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Set Capture Interrupt Priority ....
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ldiv_t ............................
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long long unsigned int Maximum Valu
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MatrixInvert ......................
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Single Floating Point..............
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system.............................
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Quick Sort ........................
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SEEK_SET...........................
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Minimum Value .....................
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va_arg ............................
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atoi ..............................
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strncpy ...........................
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Write..............................
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unsigned short int Maximum Value ..
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Zero, divide by....................
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