Sep 14, 2016 · A C++ question, I know int* foo (void) foo will return a pointer to int type how about int &foo (void) what does it return? Thank a lot!

Nov 25, 2013 · Such declaration are really used !. Consider the signal function of the standard C library: void (* signal(int sig, void (*func)(int)))(int); the signal man page explains it is equivalent …

Sep 25, 2010 · Pointer to an integer value int* i Pointer to a pointer to an integer value int** i (Ie, in the second case you will require two dereferrences to access the integer's value)

Feb 13, 2014 · 238 I know it's equal to sizeof(int). The size of an int is really compiler dependent. Back in the day, when processors were 16 bit, an int was 2 bytes. Nowadays, it's most often 4 …

Jan 17, 2013 · the -> int just tells that f() returns an integer (but it doesn't force the function to return an integer). It is called a return annotation, and can be accessed as …

For each of the standard signed integer types, there exists a corresponding (but different) standard unsigned integer type: unsigned char, unsigned short int, unsigned int, unsigned long …

Sep 16, 2010 · I know about int and long (32-bit and 64-bit numbers), but what are uint and ulong?

Jan 25, 2013 · Plain int is quite a bit different from the others. Where int8_t and int32_t each have a specified size, int can be any size >= 16 bits. At different times, both 16 bits and 32 bits have …

When you wrote for number in students: your intention was, “run this block of code students times, where students is the value I just entered.” But in Python, the thing you pass to a for statement …

Jan 28, 2012 · The real reason that this can happen is that C is a weakly typed language. But unsigned int and int are really different.