Category "sizeof"

is there a way to use fgets size dynamically

So im learning about pointers and dynamic memory and how am experimenting with fgets. So i want to take in a string input into a pointer using fgets, but i want

Does Unary + operator do type conversions?

Till now I was believing that there is no use of unary + operator. But then I came across with following example: char ch; short sh; int i; printf("%d %d %d",s

Can sizeof(size_t) be less than sizeof(int)?

Can sizeof(size_t) be less than sizeof(int)? Do the C and/or C++ standards guarantee that using unsigned int for array indexing is always safe?

What is the size of a pointer?

Is the size of a pointer the same as the size as the type it's pointing to, or do pointers always have a fixed size? For example... int x = 10; int * xPtr = &a

C: Custom strlen() library function

I created my version of strlen() function. unsigned int my_strlen(char *p) { unsigned int i = 0; while(*p!='\0') { i++; p++; }