等级考试上机题目(上课用)(9)

rf = fopen("in.dat", "r");

wf = fopen("out.dat","w");

for(i = 0 ; i < 10 ; i++) {

fscanf(rf, "%d,%d", &a, &b);

fun(a, b, &c);

fprintf(wf, "a=%d,b=%d,c=%ld\n", a, b, c);

}

fclose(rf);

fclose(wf);

}

第4套

1．程序填空题

#include <stdio.h>

#include <stdlib.h>

int fun(char *source, char *target)

{FILE *fs,*ft; char ch;

/**********found**********/

if((fs=fopen(source, ___1___))==NULL)

return 0;

if((ft=fopen(target, "w"))==NULL)

return 0;

printf("\nThe data in file :\n");

ch=fgetc(fs);

/**********found**********/

while(!feof(___2___))

{putchar(ch);

/**********found**********/

fputc(ch,___3___);

ch=fgetc(fs);

}

fclose(fs); fclose(ft);

printf("\n\n");

return 1;

}

main()

9