Eroare de compilare: main.c:8:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'typedef' typedef struct HEAP HEAPSHADOW; ^~~~~~~ main.c:17:19: error: unknown type name 'HEAPSHADOW' void (*swap)( HEAPSHADOW*, int, int ); ^~~~~~~~~~ main.c:19:22: error: unknown type name 'HEAPSHADOW' void (*push_up)( HEAPSHADOW*, int); ^~~~~~~~~~ main.c:20:24: error: unknown type name 'HEAPSHADOW' void (*push_down)( HEAPSHADOW*, int); ^~~~~~~~~~ main.c:21:29: error: unknown type name 'HEAPSHADOW' void (*insert_element)( HEAPSHADOW*, void*); ^~~~~~~~~~ main.c:22:34: error: unknown type name 'HEAPSHADOW' void (*delete_nth_inserted)( HEAPSHADOW*, int); ^~~~~~~~~~ main.c:23:19: error: unknown type name 'HEADSHADOW' void* (*top)( HEADSHADOW* ); ^~~~~~~~~~ main.c:24:1: warning: no semicolon at end of struct or union }; ^ main.c: In function 'push_up': main.c:50:13: error: 'HEAP {aka struct HEAP}' has no member named 'swap' this->swap(this, dad - 1, pos - 1 ); ^~ main.c: In function 'push_down': main.c:66:25: error: 'HEAP {aka struct HEAP}' has no member named 'swap' this->swap( this, pos - 1, son1 - 1 ); ^~ main.c:70:25: error: 'HEAP {aka struct HEAP}' has no member named 'swap' this->swap( this, pos - 1, son2 - 1 ); ^~ main.c:76:25: error: 'HEAP {aka struct HEAP}' has no member named 'swap' this->swap( this, pos - 1, son1 - 1 ); ^~ main.c: In function 'insert_element': main.c:91:9: error: 'HEAP {aka struct HEAP}' has no member named 'push_up' this->push_up( this, this->size ); ^~ main.c: In function 'delete_nth_element': main.c:96:9: error: 'HEAP {aka struct HEAP}' has no member named 'swap' this->swap( this, this->location[which], this->size - 1 ); ^~ main.c:100:13: error: 'HEAP {aka struct HEAP}' has no member named 'push_down' this->push_down( this, send_down_index ); ^~ main.c: In function 'init': Non zero exit status: 1