Dos16QueryModFromCS

Dos16QueryModFromCS queries the name, segment, and handle that corresponds to a 16 bit selector. It takes a selector as a parameter and returns information about the module (a protect mode application currently executing) owning that selector.

Syntax

Dos16QueryModFromCS (sel, qmresult)

Parameters

sel (SEL) input

Selector to be queried.

qmresult (QMRESULT) output

Structure containing the queried information

typedef struct_QMRESULT{USHORT seg; USHORT htme; char name[256];} QMRESULT;
typedef QMRESULT*PQMRESULT;

Return Code

ulrc (APIRET) returns

Dos16QueryModFromCS returns one of the following values

• 0 NO_ERROR
• 87 ERROR_INVALID_PARAMETER

Example Code

#define INCL_DOSMODULEMGR
#include <os2.h>

int main(int argc, char *argv[], char *envp[]){
   SEL sel=0;
   QMRESULT qmresult;
   APIRET16 rc;

   if (argc!=2) {
      printf("QMODCS sel\n");
      return;
   } /* endif */

   sel=(SEL)strtoul(argv[1],NULL,16);

   rc=Dos16QueryModFromCS(sel,  qmresult);

   if (rc != 0) {
      printf("DosQueryModFromCS returned rc=%u\n",rc);
      return rc;
   } /* endif */

   printf("Sel=0x%04x Handle=0x%04x Segment=0x%04x %s\n",
           sel,qmresult.hmte,qmresult.seg,qmresult.name);

   return 0;
}

Related Functions

• DosQueryModFromEIP
• DosSetExceptionHandler