My crappy terminal OS

string.c 964B

    #include "string.h" /** * K&R implementation */ void int_to_ascii(int n, char str[]) { int i, sign; if ((sign = n) < 0) n = -n; i = 0; do { str[i++] = n % 10 + '0'; } while ((n /= 10) > 0); if (sign < 0) str[i++] = '-'; str[i] = '\0'; reverse(str); } /* K&R */ void reverse(char s[]) { int c, i, j; for (i = 0, j = strlen(s)-1; i < j; i++, j--) { c = s[i]; s[i] = s[j]; s[j] = c; } } /* K&R */ int strlen(char s[]) { int i = 0; while (s[i] != '\0') ++i; return i; } void append(char s[], char n) { int len = strlen(s); s[len] = n; s[len+1] = '\0'; } void backspace(char s[]) { int len = strlen(s); s[len-1] = '\0'; } /* K&R * Returns <0 if s1<s2, 0 if s1==s2, >0 if s1>s2 */ int strcmp(char s1[], char s2[]) { int i; for (i = 0; s1[i] == s2[i]; i++) { if (s1[i] == '\0') return 0; } return s1[i] - s2[i]; } //New stuff