1 /* strings.h 4.1 83/05/26 */ 2 3 /* 4 * External function definitions 5 * for routines described in string(3). 6 */ 7 char *strcat(); 8 char *strncat(); 9 int strcmp(); 10 int strncmp(); 11 char *strcpy(); 12 char *strncpy(); 13 int strlen(); 14 char *index(); 15 char *rindex(); 16