fprintf2 file write file write : 입력 받아서 파일에 출력 1. 소스 #include int main() { int n; FILE *fptr; fptr=fopen("test.txt","w"); if(fptr==NULL){ printf("Error!"); exit(1); } printf("Enter n: "); scanf("%d\n",&n); fprintf(fptr,"%d\n",n); fclose(fptr); return 0; } 2. 결과 hacker@HACKER:~/c$ gcc -o write1 write1.c hacker@HACKER:~/c$ ./write1 Enter n: 10 hacker@HACKER:~/c$ cat test.txt 10 2016. 7. 12. fprintf int fprintf(FILE *fp, const char *fmt, ...) #include #include int fprintf(FILE *fp, const char *fmt, ...) { int ret; va_list ap; va_start(ap, fmt); ret = vfprintf(fp, fmt, ap); va_end(ap); return (ret); } 2016. 7. 9. 이전 1 다음