DosLoadModule loads a dynamic link or executable module, and returns a handle for the module.

#define INCL_DOSMODULEMGR
#include <os2.h>

PSZ         pszName;     /*  The address of a buffer into which the name of an object that contributed to the failure of DosLoadResourceModule is to be placed. */
ULONG       cbName;      /*  The length, in bytes, of the buffer described by pszName. */
PSZ         pszModname;  /*  The address of an ASCIIZ name string that contains the dynamic link or executable module name. */
PHMODULE    phmod;       /*  Pointer to an HMODULE in which the handle for the dynamic link or executable module is returned. */
APIRET      ulrc;        /*  Return Code. */

ulrc = DosLoadResourceModule(pszName, cbName,
         pszModname, phmod);