The C library function void *memchr(const void *str, int c, size_t n) searches for the first occurrence of the character c (an unsigned char) in the first n bytes of the string pointed to by the argument str.Syntax:
void *memchr(const void *str, int c, size_t n)
str -- This is the pointer to the block of memory where the search is performed.
c -- This is the value to be passed as an int, but the function performs a byte per byte search using the unsigned char conversion of this value.
n -- This is the number of bytes to be analyzed.Example:
memchr( ) function is used to locate the first occurrence of the character in the specified string.
int main ()
char string = "technicia"
ptr = (char *) memchr (string, 'h', strlen(string));
if (ptr != NULL)
printf ("character 'h' is found at " \
"position %d.\n", ptr-string+1);
printf ("character 'h' is not found.\n");
character âhâ is found at position 4
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