Этот пример даже с обработкой данных) 
| Код |
#include <stdio.h >
#include <string.h>
#include <stdlib.h>
main()
{
int P=0,L=0;
char NAZ[22],STR[4],FAM[10],CDD[2],TIR[7];
struct COMP{
char NAZ[22];char STR[4];char FAM[10];
char CDD[2]; char TIR[7];
};
COMP X;
FILE *one;
if((one=fopen("MUSIC.txt", "w+"))==NULL){
puts("\n(((OSHIBKA)))\n");
fflush(stdin);
getchar();
return (0);
}
puts("(((FAYL MUSIC.txt OPEN)))\n");
puts("(((VIBERITE PORAMETR POISKA[1,2,3,4 ILI 5])))\n");
scanf("%d",&P);
if(P==1){scanf("%22s",&NAZ);}
if(P==2){scanf("%4s",&STR); }
if(P==3){scanf("%10s",&FAM);}
if(P==4){scanf("%2s",&CDD); }
if(P==5){scanf("%7s",&TIR); }
while(!feof(one)){
fscanf(one,"%22s",&X.NAZ);
if(strcmp(X.NAZ,NAZ)==0){L++;}
fscanf(one,"%4s",&X.STR);
if(strcmp(X.STR,STR)==0){L++;}
fscanf(one,"%10s",&X.FAM);
if(strcmp(X.FAM,FAM)==0){L++;}
fscanf(one,"%2s",&X.CDD);
if(strcmp(X.CDD,CDD)==0){L++;}
fscanf(one,"%7s",&X.TIR);
if(strcmp(X.TIR,TIR)==0){L++;}
if(L==1){
printf("%22s%4s%10s%2s%7s\n",X.NAZ,X.STR,X.FAM,X.CDD,X.TIR);L=0;}
fprintf(one,"%22s%4s%10s%2s%7s\n",X.NAZ,X.STR,X.FAM,X.CDD,X.TIR);
}
fclose(one);
fflush(stdin);
getchar();
return(0);
}
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