#include "string.h"
#include "stdlib.h"
#include <stdio.h>

#define assert_strip(method, str, strip, count, rvalue, ret_strcmp, ret_count) \
    memset((char *)&buff, 0x00, 32); \
    rc = method(str, (char *)&buff, strip); \
    printf("method(%s) => (%d, %s)\n", str, rc, (char *)&buff); \
    if ( rc != count) return ret_count; \
    if ( strcmp((char *)&buff, rvalue) != 0 ) return ret_strcmp;

int main(void)
{
    char buff[32];
    int rc = 0;
    assert_strip(lstrip, "   white space", " ", 3, "white space", 1, 2)
    assert_strip(rstrip, "white space   ", " ", 3, "white space", 3, 4)
    return 0;
}