I am taking a c programming course on Udemy and am quite confused when passing a double pointer into a function. In the example, the instructor passes the address of a pointer as an argument to a fun...

I am trying to write code to output a list (homework assignment for learning linkedLists). I have code for adding an element to a linkedList, at the end, and managing the pointers: void addEnd( Linked...

typedef struct PeoInfo { char name[20]; int age; char sex[5]; char tele[12]; char addr[30]; } struct PeoInfo c[10] = {0}; printf("p=%x\n", *c); printf("p=%x\n&quo...

This C code works fine (the compiler is GNU11). I'm sure it can improved since it gives a "dereferencing type-punned pointer" warning, but I don't know exactly how. A uint8_t array contains ...