What is malloc calloc and realloc in c?
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What is the difference between printf and scanf in c?
Suppose I want to write a function that takes a generic pointer as an argument and I want to simulate passing it by reference. Can I give the formal parameter type void **, and do something like this? void f(void **); double *dp; f((void **)&dp);
What is the difference between the local variable and global variable in c?
What is the best way of making my program efficient?
What is a char in c?
Explain 'bus error'?
What is the role of && operator in a program code?
Explain with the aid of an example why arrays of structures don’t provide an efficient representation when it comes to adding and deleting records internal to the array.
There is a mobile keypad with numbers 0-9 and alphabets on it. take input of 7 keys and then form a word from the alphabets present on those keys.
If "AaBbCc" is passed to the char char x(*a) { a[0]?x(a+1):1; printf("%c",a[0]); return 1; } what will be the output?
What is sizeof int?
What is pointer and structure in c?