memchr

String Manipulation Functions

Searches for a character in a buffer. 

void *memchr( const void *s, int c, size_t n);

sThe name of the buffer.
cThe character to search for in the buffer.
nThe number of characters at the beginning of the buffer to search.

Return Values

A pointer to the first occurrence of c in buffer. If character is not found the function returns NULL.

For memchr details, refer to your C language documentation.

Example

The following example searches for the character `x' in the string "Example string".

    #include <string.h>
    char * p;
    char str[] = "Example string";
    p = (char *)memchr(str, 'x', strlen(str));
    if (p)
        lr_output_message ("Character x is at position %d\n", p - str + 1);
    else
        lr_output_message ("Character x was not found");
Example: Output:

Character x is at position 2