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| A |
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| | abort - terminate the process abnormally (  ) |
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| | abs - return absolute value of integer ( ) |
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| | accounting, time accounting for current process - times ( ) |
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| | acquire and release stream lock - flockfile ( ) |
| | | funlockfile ( ) |
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| | additional severities, define - addsev ( ) |
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| | address of symbol, get address in shared object or executable - dlsym ( ) |
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| | addsev - define additional severities ( ) |
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| | addseverity - build a list of severity levels for an application for use with fmtmsg ( ) |
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| | alarm, schedule signal after interval in microseconds - ualarm ( ) |
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| | alphasort - scan a directory ( ) |
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| | applications |
| | | build a list of severity levels for use with fmtmsg - addseverity ( ) |
| | | display a message on stderr or system console - fmtmsg ( ) |
| | | get entries from symbol table - nlist ( ) |
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| | arithmetic, compute the quotient and remainder - div ( ) |
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| | arithmetic, 48-bit integer, generate uniformly distributed pseudo-random numbers - drand48 ( ) |
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| | ascftime - convert date and time to string ( ) |
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| | assert - verify program assertion ( ) |
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| | associate a stream with a file descriptor - fdopen ( ) |
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| | atexit - register a function to run at process termination or object unloading ( ) |
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| | atof - convert string to double-precision number ( ) |
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| | atoi - string conversion routines ( ) |
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| | atol - string conversion routines ( ) |
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| | atoll - string conversion routines ( ) |
