#include #define STR1 "0123" #define STR2 "abc" #define LENGTH 2 int main(void) { char s1[] = STR1; char s2[] = STR2; printf("Length: %d\n", LENGTH); printf("s1: %s s2: %s\n", s1, s2); ft_strncat(s1, s2, LENGTH); printf("s1: %s s2: %s\n", s1, s2); return (0); }