int i;+− char ch; +− +− void get_line(char *dst) {+− char buffer[8];+− i = 0;+− while ((ch = getchar()) != '\n') {+− buffer[i++] = ch;+− }+− buffer[i] = '\0';+− strcpy(dst, buffer);+− }+− +− int match(char *s1, char *s2) {+− while(*s1 != '\0' && *s2 != '\0' && *s1 == *s2){+− s1++; s2++;+− }+− return( *s1 - *s2 );+− }+−