Answer / lakshmi sreekanth

#include <stdio.h>
#include <sys/types.h>
#include <dirent.h>

main()
{
struct dirent *dp;
DIR *dfd = opendir("/home/sreekanth");

if(dfd != NULL)
{
while((dp = readdir(dfd)) != NULL)
printf("%s\n", dp->d_name);
closedir(dfd);
}
return 0;
}

Answer / muthu

please write the correct program with output...

by prof.muthu m.c.a phd etc..
ph:9962940220

Answer / rakesh

void main()
{
char path[100];
cout<<"Enter the path of directory::";
cin.getline(path,100);
system("cd path");
system("dir");
} // In windows
// For linux change dir to ls.

Answer / prince

main()
{
char path[100];
printf("Enter the path of directory:");
scanf("%s",path);
system("cd path");
system("ls");
}

Give a very good method to count the number of ones in a 32 bit number. (caution: looping through testing each bit is not a solution)

7 Answers   Microsoft,

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main() { char c=' ',x,convert(z); getc(c); if((c>='a') && (c<='z')) x=convert(c); printf("%c",x); } convert(z) { return z-32; }

1 Answers  

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main() { int i; clrscr(); printf("%d", &i)+1; scanf("%d", i)-1; } a. Runtime error. b. Runtime error. Access violation. c. Compile error. Illegal syntax d. None of the above

1 Answers   HCL,

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Print an integer using only putchar. Try doing it without using extra storage.

2 Answers  

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C statement to copy a string without using loop and library function..

2 Answers   Persistent, TCS,

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main() { if ((1||0) && (0||1)) { printf("OK I am done."); } else { printf("OK I am gone."); } } a. OK I am done b. OK I am gone c. compile error d. none of the above

5 Answers   HCL,

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Predict the Output: int main() { int *p=(int *)2000; scanf("%d",2000); printf("%d",*p); return 0; } if input is 20 ,what will be print

2 Answers  

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main() { char *p; printf("%d %d ",sizeof(*p),sizeof(p)); }

6 Answers  

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main() { 41printf("%p",main); }8

1 Answers  

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why array index always strats wuth zero?

2 Answers  

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main() { char *p = "hello world"; p[0] = 'H'; printf("%s", p); } a. Runtime error. b. “Hello world” c. Compile error d. “hello world”

5 Answers   HCL,

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#define f(g,g2) g##g2 main() { int var12=100; printf("%d",f(var,12)); }

3 Answers  

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