String Functions

String Functions:

char *strcpy(s , ct)
char *strncpy(s , ct , n)
char *strcat(s , ct)
char *strncat(s , ct , n)
int strcmp(cs , ct)
int strncmp(cs , ct ,n)
char *strchr(cs , c)
char *strrchr(cs , c)
size_t strspn(cs , ct)
size_t strcspn(cs , ct)
char *strstr(cs , ct)
size_t strlen(cs)
char *strerror(n)