memchr.3 (619B)
1 .TH memchr 3 2 .SH NAME 3 memchr - find byte in memory 4 .SH SYNOPSIS 5 #include <string.h> 6 7 void *memchr(const void *s, int c, size_t n) 8 .SH DESCRIPTION 9 The 10 .BR memchr () 11 function locates the first occurence of 12 .I c 13 (converted to an unsigned char) 14 in the initial 15 .I n 16 characters 17 (each interpreted as unsigned char) 18 of the object pointed to by 19 .IR s . 20 .PP 21 The function shall not try to locate 22 .I c 23 if 24 .I n 25 is equal to 0. 26 .SH RETURN VALUE 27 The 28 .BR memchr () 29 function shall return a pointer to the located character 30 or a null pointer if the character does not occur in the object. 31 .SH STANDARDS 32 ISO/IEC 9899:1999 Section 7.21.5.1