mango/libc/string/strcat.c

#include <kernel/libc/string.h>

char *strcat(char *dest, const char *src) {
    size_t start = strlen(dest), i = 0;
    for (i = 0; src[i] != '\0'; i++) {
        dest[start + i] = src[i];
    }

    dest[start + i] = '\0';
    return dest;
}

char *strncat(char *dest, const char *src, size_t num) {
    size_t start = strlen(dest), i = 0;
    for (i = 0; i < num; i++) {
        dest[start + i] = src[i];
    }

    dest[start + i] = '\0';
    return dest;
}