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Fseek

Item Value Header filestdio.h Declarationint fseek(FILE *stream, long int offset, int origin); Functionmoves the file position pointer. Returnzero on success or nonzero on failure. 'origin' must be one of: NameMeaning SEEK_SETSeek from start of file SEEK_CURSeek from current location SEEK_ENDSeek from end of file For a text file, origin must be SEEK_SET and offset must be a value obtained by calling ftell(), or zero. (C: The Complete Reference, Fourth Edition by Herbert Schildt McGraw-Hill/Osborne 2000 (805 pages) ISBN:0072121246) #include <stdio.h>   #include <stdlib.h>   struct fullname {     char firstName[40];     char lastName[10];   } info;   int main(void){     FILE *fp;     if((fp=fopen("test", "rb")) == NULL) {       printf("Cannot open file.\n");       exit(1);     }     int client_num = 10;     /* find the proper structure */     fseek(fp, client_num*sizeof(struct fullname), SEEK_SET);     /* read the data into memory */     fread(&info, sizeof(struct fullname), 1, fp);     fclose(fp);   }