memchr: najděte bajt v paměti

Originální popis anglicky: memchr - find byte in memory

Návod, kniha: POSIX Programmer's Manual

STRUČNĚ

#include <string.h> void *memchr(const void * s, int c , size_t n);

POPIS / INSTRUKCE

The memchr() function shall locate the first occurrence of c (converted to an unsigned char) in the initial n bytes (each interpreted as unsigned char) of the object pointed to by s.

NÁVRATOVÁ HODNOTA

The memchr() function shall return a pointer to the located byte, or a null pointer if the byte does not occur in the object.

CHYBY / ERRORY

No errors are defined. The following sections are informative.

PŘÍKLADY POUŽITÍ

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SOUVISEJÍCÍ

The Base Definitions volume of IEEE Std 1003.1-2001, <string.h>

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .