#ifndef SQLCMD_H #define SQLCMD_H typedef struct lineStr { char *data; struct lineStr *next; } LINE; typedef struct resField { char *data; struct resField *next; } SQLRESFIELD; typedef struct resStr { SQLRESFIELD *fields; struct resStr *next; } SQLRESULT; extern BOOL sqlCmdActive; LRESULT CALLBACK SQLResWndProc(HWND, UINT, WPARAM, LPARAM); void ExecuteCmd(void *arg); #endif .