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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 ( ) |
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| | attropen — open a file ( ) |
