Question

How to find all occurrences of a word in a string using C

Answer 1

#include <stdio.h>
#include <string.h>
 
int main() {
    char s[50] = "c++ c python c++ java c++ php c++";
    char *p = s;
    char word[10] = "c++";
    int word_index = p - s; 
    
    while( (p = strstr(p, word)) ) {
         printf("%s\n", p);
         printf("index = %i\n\n", p - s);
         p++;
    }
}
 

  
/*
run:
  
c++ c python c++ java c++ php c++
index = 0

c++ java c++ php c++
index = 13

c++ php c++
index = 22

c++
index = 30
 
*/

 

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