#include <stdio.h>#include <string.h> int main(){   char a[10];    strcpy(a, "hello");   printf("%s\n", a);    strncpy(a, "gosh", 2);   printf("%s\n", a);    printf("%d\n", strcmp(a, "apple") > 0);   printf("%d\n", strcmp(a, "goere") > 0);   printf("%d\n", strcmp(a, "zebra") < 0);    printf("%d\n", strlen(a));    strcat(a, "!");   printf("%s\n", a);    printf("%d\n", strncmp(a, "apple", 2) > 0);   printf("%d\n", strncmp(a, "goere", 2) == 0);   printf("%d\n", strncmp(a, "goerg", 2) == 0);   printf("%d\n", strncmp(a, "zebra", 2) < 0);    printf("%s\n", strchr(a, 'o'));   printf("%s\n", strrchr(a, 'l'));   printf("%d\n", strrchr(a, 'x') == NULL);    memset(&a[1], 'r', 4);   printf("%s\n", a);    memcpy(&a[2], a, 2);   printf("%s\n", a);    printf("%d\n", memcmp(a, "apple", 4) > 0);   printf("%d\n", memcmp(a, "grgr", 4) == 0);   printf("%d\n", memcmp(a, "zebra", 4) < 0);    return 0;} /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/