Why is c still so popular?
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Write a program to check armstrong number in c?
write C code to reverse a string such that if i/p is "abc defg hij klmno pqrs tuv wxyz" and the o/p should be "cba gfed jih onmlk srqp vut zyxw"
What is structure of c program?
What is the difference between i++ and i+1 ?(in terms of memory)
Why is sprintf unsafe?
Why do we use return in c?
Why & is used in scanf in c?
What should malloc() do? Return a null pointer or a pointer to 0 bytes?
the constant value in the case label is followed by a a) semicolon b) colon c) braces d) none of the above
What is the use of putchar function?
What will be result of the following program? void myalloc(char *x, int n) { x= (char *)malloc(n*sizeof(char)); memset(x,\0,n*sizeof(char)); } main() { char *g="String"; myalloc(g,20); strcpy(g,"Oldstring"); printf("The string is %s",g); } a) The string is : String b) Run time error/Core dump c) The string is : Oldstring d) Syntax error during compilation e) None of these
How can I invoke another program (a standalone executable, or an operating system command) from within a c program?