Description Please finish the following function char *replace(charsource, char constpattern, char constreplacement) A sequence of calls to this function replace the pattern with replacement. On a first call, the function expects a C string as argument for source, and this function scan for source to find the first pattern appear in source than replace it with replacement. In subsequent calls, the function expects a null pointer and uses the position right after the end of the last replacement as the new starting location for scanning. This function return source. Please see following example. char source[100] = "1223456789", pattern[10] = "2", replacement[10] = "123"; printf("%s", replace(source, pattern, replacement)); //Here should print out 112323456789 printf("%s", replace(source, pattern, replacement)); //Here should print out 11123323456789 printf("%s", replace(NULL, pattern, replacement)); //Here should print out 1112331233456789   function char *replace(char *source, char const *pattern, char const *replacement) { }

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
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Write in C Language

Description

Please finish the following function

char *replace(charsource, char constpattern, char constreplacement)

A sequence of calls to this function replace the pattern with replacement.

On a first call, the function expects a C string as argument for source, and this function scan for source to find the first pattern appear in source than replace it with replacement.

In subsequent calls, the function expects a null pointer and uses the position right after the end of the last replacement as the new starting location for scanning.

This function return source.

Please see following example.

char source[100] = "1223456789", pattern[10] = "2", replacement[10] = "123";

printf("%s", replace(source, pattern, replacement)); //Here should print out 112323456789

printf("%s", replace(source, pattern, replacement)); //Here should print out 11123323456789

printf("%s", replace(NULL, pattern, replacement)); //Here should print out 1112331233456789

 

function

char *replace(char *source, char const *pattern, char const *replacement)

{

}

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