C-Command Line Arguments
C-Command Line Arguments
71. To flush all output streams we can write
- fflush(stdout)
- fflush(NULL)
- fflush(ALL)
- None of these
72. Which of the following function is appropriate to read one character at a time ?
- fscanf()
- fgetc()
- read()
- fgets()
73. In what order do the two command line variablesl appear in the definition of main ?
- Count then argument array
- Argument array then count
- They don't appear in the definition of main
- There is only one argument.
74. The function unlik (filename) is used
- to remove link between file and buffer
- To remove the existing file from the directory
- To remove the contents of file only
- None of these
75. Which of the following function return NULL on end of the file ?
- fgetc()
- getw()
- fprintf()
- fgets()
76. O_CREAT command can
- Create new text file if not exist.
- Does not create new text file if not exist.
- If text file exist then overwrite it.
- None of these
77. Opening of file stream means
- An action of connecting buffer to device
- An action of connecting program to buffer
- File processing
- None of these
78. What does the argument count variable store ?
- The number of arguments
- The number of arguments plus one
- The number of arguments minus one
- The total size of the argument array
79. Find the output
#include"stdio.h"
void main ( )
{
FILE *fp;
int x;
fp=fopen("xyz.txt","w");
x=fprintf(fp, "%d%d", 1, 2, 3);
printf("%d" ,x);
}
#include"stdio.h"
void main ( )
{
FILE *fp;
int x;
fp=fopen("xyz.txt","w");
x=fprintf(fp, "%d%d", 1, 2, 3);
printf("%d" ,x);
}
- 1
- 2
- 3
- None of these
80. Which of the following command directly writes into disk file ?
- fwrite()
- write()
- Both a and b
- None of these