memchr man page on OpenBSD

memchr man page on OpenBSD

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MEMCHR(3)		  OpenBSD Programmer's Manual		     MEMCHR(3)

NAME
     memchr - locate byte in byte string

SYNOPSIS
     #include <string.h>

     void *
     memchr(const void *b, int c, size_t len);

     void *
     memrchr(const void *b, int c, size_t len);

DESCRIPTION
     The memchr() function locates the first occurrence of c (converted to an
     unsigned char) in string b.

     The memrchr() function behaves like memchr(), except that it locates the
     last occurrence of c in string b.

RETURN VALUES
     The memchr() and memrchr() functions return a pointer to the byte
     located, or NULL if no such byte exists within len bytes.

SEE ALSO
     strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strspn(3),
     strstr(3), strtok(3)

STANDARDS
     The memchr() function conforms to ANSI X3.159-1989 (``ANSI C'').

     The memrchr() function is an OpenBSD extension.

OpenBSD 4.9		       September 3, 2007		   OpenBSD 4.9

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