PicC 9.50 dsPIC Manual.pdf

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Library FunctionsMEMCMPSynopsis#include int memcmp (const void * s1, const void * s2, size_t n)DescriptionThe memcmp() function compares two blocks of memory, of length n, and returns a signed valuesimilar to strncmp(). Unlike strncmp() the comparison does not stop on a null character. The ASCIIcollating sequence is used for the comparison, but the effect of including non-ASCII characters inthe memory blocks on the sense of the return value is indeterminate. Testing for equality is alwaysreliable.Example#include #include voidmain (void){int buf[10], cow[10], i;buf[0] = 1;buf[2] = 4;cow[0] = 1;cow[2] = 5;buf[1] = 3;cow[1] = 3;i = memcmp(buf, cow, 3*sizeof(int));if(i < 0)printf("less than\n");else if(i > 0)printf("Greater than\n");else167
Library Functions}printf("Equal\n");See Alsostrncpy(), strncmp(), strchr(), memset(), memchr()Return ValueReturns negative one, zero or one, depending on whether s1 points to string which is less than, equalto or greater than the string pointed to by s2 in the collating sequence.168
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HI-TECH dsPICC CompilerHI-TECH Soft
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CONTENTSCONTENTS2.4.17 -X: Strip Lo
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CONTENTSCONTENTS3.6.2 Function Retu
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CONTENTSCONTENTS4.3.8.18 SIGNAT . .
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CONTENTSCONTENTS5.13.5 -Okey . . .
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LIST OF TABLESLIST OF TABLES4.4 ASD
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Typographic conventionsIntroduction
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Long Command LinesDSPICC Command-li
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DSPICC Compiler OptionsDSPICC Comma
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FilesC Language Featuresdoing this
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FilesC Language FeaturesThis option
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FilesC Language Features•The abbr
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Supported Data Types and VariablesC
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Storage Class and Object PlacementC
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Register UsageC Language Featuressa
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PsectsC Language Featuresunsigned c
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Interrupt Handling in CC Language F
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Interrupt Handling in CC Language F
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Mixing C and Assembler CodeC Langua
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Mixing C and Assembler CodeC Langua
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PreprocessingC Language FeaturesTab
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PreprocessingC Language FeaturesTab
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PreprocessingC Language Features3.1
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PreprocessingC Language Features36
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Linking ProgramsC Language Features
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Standard I/O Functions and Serial I
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Assembler UsageMacro Assemblersembl
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HI-TECH C Assembly LanguageMacro As
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Program SectionsLinker and Utilitie
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OperationLinker and UtilitiesTable
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OperationLinker and Utilities5.7.6
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OperationLinker and Utilities5.7.15
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OperationLinker and Utilities-ACODE
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Map FilesLinker and Utilitiespreced
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Map FilesLinker and Utilitiesshown
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LibrarianLinker and UtilitiesTable
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ObjtohexLinker and Utilities5.10.5
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CrefLinker and Utilities5.11.1 Chec
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CromwellLinker and Utilities5.12.5
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CromwellLinker and Utilities5.13.2
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CromwellLinker and Utilities114
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Page 173 and 174: Library FunctionsLOG, LOG10Synopsis
Page 175 and 176: Library Functions}if(i = setjmp(jb)
Page 177 and 178: Library FunctionsSee Alsocalloc(),
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Page 187 and 188: Library Functions}Return ValueFALSE
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Library FunctionsReturn ValueReturn
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Library FunctionsTIMESynopsis#inclu
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Library FunctionsTOLOWER, TOUPPER,
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Library FunctionsVA_START, VA_ARG,
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Library FunctionsXTOISynopsis#inclu
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Error and Warning Messages(101) #*
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Error and Warning Messages(109) #in
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Error and Warning Messages(121) exp
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Error and Warning Messages(131) #if
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Error and Warning Messages(142) can
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Error and Warning Messages(161) con
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Error and Warning Messages(174) mul
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Error and Warning Messages}int inpu
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Error and Warning Messages(198) und
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Error and Warning Messages(208) ope
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Error and Warning Messages(221) hex
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Error and Warning Messages(237) fun
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Error and Warning Messages(245) "de
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Error and Warning Messagesextern in
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Error and Warning Messages(263) mem
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Error and Warning Messages(271) can
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Error and Warning Messages(295) exp
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Error and Warning Messages(314) ; e
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Error and Warning Messagesstruct {i
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Error and Warning Messages(337) lin
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Error and Warning Messagesint proce
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Error and Warning Messagesdouble dd
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Error and Warning Messages(369) sig
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Error and Warning Messages(390) ill
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Error and Warning Messages(418) ima
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Error and Warning Messages(438) bad
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Error and Warning Messages(469) und
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Error and Warning Messages8 bits wi
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Error and Warning Messages(486) pse
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Error and Warning MessagesCan’t f
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Error and Warning Messages(506) rec
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Error and Warning Messages(525) too
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Error and Warning Messages(619) I/O
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Error and Warning Messages(701) unr
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Error and Warning MessagesA quick c
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Error and Warning Messagesperformed
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Error and Warning Messages(768) con
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Error and Warning Messages(793) unt
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Error and Warning Messages(835) for
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Error and Warning Messages(868) DEL
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Error and Warning Messages(973) onl
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Error and Warning Messages(990) mod
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Error and Warning Messagesdelete wh
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324Error and Warning Messages
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326Chip Information
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INDEXINDEXDB, 80DDW, 81DS, 81DW, 80
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INDEXINDEXbasesC source, 29batch fi
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INDEXINDEXEI, 140ellipsis symbol, 4
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INDEXINDEX-WARNFORMAT=format, 14-C,
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INDEXINDEXMEMSET, 171MODF, 172PERSI
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INDEXINDEXused in executable, 96mul
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INDEXINDEXRAND, 185read-only variab
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INDEXINDEXint types, 32local, 39per
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DSPICC OptionsOptionMeaning-BmodelS
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