string compare in c

1if (strcmp(strA,strB) != 0){
2	...
3}
4

1#include <string.h>

1strcmp(char, char);

1char str1[] = "Look Here";
2char str2[] = "Look Here";
3
4int i = strcmp(str1, str2);

1strcmp(str1, str2) = 32
2strcmp(str1, str3) = 0

1strcmp(leftStr, rightStr);
2//compares ascii value and gives positive, negative or zero.