Diff between unix and linux is that linux is look alike of unix which is freely available.Linux is based on the principles of FSF(free software foundation) and...
No. In an array declaration, the size must be known at compile time. You can’t specify a size that’s known only at runtime. For example, if i is a variabl...
Static memory allocation: The compiler allocates the required memory space for a declared variable.By using the address of operator,the reserved address is ob...
The heap is where malloc(), calloc(), and realloc() get memory.
Getting memory from the heap is much slower than getting it from the stack. On the other ha...
There are two situations in which to use a type cast. The first use is to change the type of an operand to an arithmetic operation so that the operation will...
Structs are value-type variables and are thus saved on the stack, additional overhead but faster retrieval. Another difference is that structs cannot inherit....
The string function strdup( ) copies the given string to a new location. The function uses malloc( ) function to allocate space required for the duplicated stri...