: Write code for the following functions:int strlen(const char *s); [returns string length]char* strcpy(char *s1, const char *s2); [Copies string s2 into array s1. The value of s1 is returned.]char* strcat(char *s1,const char *s2); [Appends string s2 to array s1. The first character of s2 overwrites the terminating nullcharacter of s1. The value of s1 is returned.]Use above function in your program to get and print length of a string, copy str1 to str2 and append str2 at the end of str1. Do not use string.h header file in your program.NOTE: THE CODE IS NEEDED IN C LANGUAGE

1) Code: #include <stdio.h> int strlen(const char *s){ int length = 0; while(*s !=…

Answered: Write code for the following functions:…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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: Write code for the following functions:

int strlen(const char *s); [returns string length]
char* strcpy(char *s1, const char *s2); [Copies string s2 into array s1. The value of s1 is returned.]
char* strcat(char *s1,const char *s2); [Appends string s2 to array s1. The first character of s2 overwrites the terminating nullcharacter of s1. The value of s1 is returned.]

Use above function in your program to get and print length of a string, copy str1 to str2 and append str2 at the end of str1. Do not use string.h header file in your program.

NOTE: THE CODE IS NEEDED IN C LANGUAGE

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