Here we learn about the string library
i.e., string.h
What is string.h ?
-It is the header file for the string function.
-We can perform various operation directly on string using function that are written inside it.
How include in program ?
Use following line to do this:
#include< stdio.h>
Function that predefined in this file :
strcat(): use for concate two string.
strcmp(): use to compare two string.
strcpy() : use to copy one string into another.
strlen() : use to find the length of the string.
strrev() : use to reverse the given string.
strncmp() : use to compare two string upto nth index.
strcpy() : use tpo copy one string into another upto nth index.
strchr() : use to get the sub-part of the string.
Use of string.h is mandatory ?
No, we use this header file and function for direct use.
If you want to use your code on the string, So you are free.