strstr in c

strstr function in c

strstr function searches for a given string in the main string.

It returns a pointer to the first occurrence of a given string.

It is defined in string.h header file.

Prototype

char *strstr(const char *string,const char *searchstr);

Parameters

This function takes searching string and main string as input characters.

Return value

This function returns a pointer to the first occurrence of a given string.

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strstr in c example

//strstr c implementation
#include<stdio.h>
#include<string.h>
int main()
{
  const char string[20]="soul";
  const char search[30]="scholarsoul";
  char *res;
  res=strstr(string,search);
  printf("Result is %s \n",res);
  return 0;
} 

Output

	Result is soul 

Code explanation

strstr function is called by passing search string and main string. The result is being printed on to the console.

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