C function to Swap strings - GeeksforGeeks
#include swap(char *first, char *second, int len) { char temp = 0; printf("len = %d\n", len); while (((*first) || (*second)) && (len-1)) { temp = *first; *first = *second; *second = temp; first++;second++;len--; } } int main() { char first[10] = "hel...