C provides a set of predefined functions for processing strings through the
<string.h> library. These functions simplify operations such as finding the
length of a string, copying strings, concatenating strings, and comparing
strings.

Using string library functions reduces programming errors and improves code
clarity.

SYNTAX:


strlen(str);
strcpy(dest, src);
strcat(s1, s2);
strcmp(s1, s2);