C Programming · all questions

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296

Questions

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Q261

The following C expression can be substituted for?

if (isalpha(c) && isdigit(c))

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Q262

What will the given code result is

printf("\n you are\"awesome \" ");

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Q263

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    char *str = "hello, world\n";
    printf("%d", strlen(str));

}

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Q264

Which is not true about function tolower?

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Q265

putchar(c) function/macro always outputs character c to the . . . . . . . .

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Q266

What is the meaning of the following C statement?

scanf("%[^\n]s", ch);

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Q267

What is the return type of rand() function?

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Q268

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    FILE *fp = stdout;
    int n;
    fprintf(fp, "%d ", 45);
    fprintf(stderr, "%d ", 65);
    return 0;
}

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Q269

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    printf("%d\n", srand(9000));
    return 0;
}

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Q270

What are the Properties of the first argument of a printf() functions?

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Q271

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    short int i;
    scanf("%hd", &i);
    printf("%hd", i);
    return 0;
}

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Q272

fflush(NULL) flushes all . . . . . . . .

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Q273

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    FILE *fp = stdout;
    int n;
    fprintf(fp, "%d\n ", 45);
    fprintf(stderr, "%d ", 65);
    return 0;
}

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Q274

What will fopen will return, if there is any error while opening a file?

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Q275

Which of the following is the right declaration for fgets() inside the library?

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Q276

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int i = 10, j = 3;
    printf("%d %d %d", i, j);
}

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Q277

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    char *n;
    scanf("%s", n);
    return 0;
}

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Q278

Which of the following fopen() statements are illegal?

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Q279

The syntax of printf() function is printf("control string", variable list) ;what is the prototype of the control string?

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Q280

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    short int i;
    scanf("%*hd", &i);
    printf("%hd", i);
    return 0;
}

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