C Programming :: Input / Output
-
Point out the error in the program?
#include#include int main() { unsigned char; FILE *fp; fp=fopen("trial", "r"); if(!fp) { printf("Unable to open file"); exit(1); } fclose(fp); return 0; } -
In a file contains the line "I am a boy\r\n" then on reading this line into the array str using fgets(). What will str contain?
-
What is the purpose of "rb" in fopen() function used below in the code?
FILE *fp; fp = fopen("source.txt", "rb"); -
What does fp point to in the program ?
#includeint main() { FILE *fp; fp=fopen("trial", "r"); return 0; } -
Which of the following operations can be performed on the file "NOTES.TXT" using the below code?
FILE *fp; fp = fopen("NOTES.TXT", "r+"); -
To print out a and b given below, which of the following printf() statement will you use?
#includefloat a=3.14; double b=3.14; -
Which files will get closed through the fclose() in the following program?
#includeint main() { FILE *fs, *ft, *fp; fp = fopen("A.C", "r"); fs = fopen("B.C", "r"); ft = fopen("C.C", "r"); fclose(fp, fs, ft); return 0; } -
On executing the below program what will be the contents of 'target.txt' file if the source file contains a line "To err is human"?
#includeint main() { int i, fss; char ch, source[20] = "source.txt", target[20]="target.txt", t; FILE *fs, *ft; fs = fopen(source, "r"); ft = fopen(target, "w"); while(1) { ch=getc(fs); if(ch==EOF) break; else { fseek(fs, 4L, SEEK_CUR); fputc(ch, ft); } } return 0; } -
To scan a and b given below, which of the following scanf() statement will you use?
#includefloat a; double b;
Whatsapp
Facebook
