memchr(3) - NetBSD Manual Pages

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MEMCHR(3)               NetBSD Library Functions Manual              MEMCHR(3)


NAME

     memchr, memrchr -- locate byte in byte string


LIBRARY

     Standard C Library (libc, -lc)


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 locates the last
     occurrence of c (converted to an unsigned char) 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

     index(3), rindex(3), 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 C89'').

NetBSD 9.0                      April 10, 2009                      NetBSD 9.0