how to detect a particular string in a file using C program

Question

I have a file and I want to read this file using C program using file operations. Then i want to take parameters from that file. Lets say nalu_type=x. So whenever i detect the s

Answer 1

# include
# include 
# include 

void main()
{
    int noc=0,l;
    FILE *fp;
    char *str2,ch;
    char*str1;
    clrscr();
   printf("Enter the String to be matched\n");
    gets(str1);
    l=strlen(str1);
    fp=fopen("A.C","r");
    while(1)
       {
        ch=fgetc(fp);
        if(ch==EOF)
        break;
        else if(ch==' ')
         {
          fgets(str2,l+1,fp);
           if((strcmp(str1,str2))==NULL)
            noc++;
         }
        }

      printf("NO of occurence is: %d",noc);
      getch();
}