Dear Paul, You are right, it works with Watcom C fine. And now I found in "Watcom C Library Reference" manual paragraph: environ Prototype in <stdlib.h>. This char ** __near data item is a pointer to an array of character pointers to the environment strings. which I not noticed before. Eeh, I still must learn to much! Many thanks once again, Franta Paul Crawford napsal(a): > Dear Frantisek, >> compiler v1.9 (http://www.openwatcom.org/) for DOS. And there I knock >> to problem - it seems as this compiler not support construction: >> >> int main(int argc, char *argv[], char *envp[]) > > I think this 3rd argument may be a MS-specific extension, as most C > programs just have argc & argv in the call to main(); > > If you change to use the 'environ' variable, that should be pre-defined > (probably in stdlib.h) and should do the same job. Attached is an > example that seems to compile & work under C6 DOS compiler and with gcc > on my Ubuntu 10.04 box. > > Regards, > Paul > > > dosenv.c > > > > > #include <stdio.h> > #include <stdlib.h> > > extern char **environ; > > int main(int argc, char *argv[]) > { > int ii; > FILE *fp; > char **envp = environ; > > > fp=fopen("dosenv.txt", "wb"); > if(fp != NULL) > { > fprintf(fp, "argc = %d\n", argc); > > for(ii=0; ii<argc; ii++) > { > fprintf(fp, "argv[%d] = %s\n", ii, argv[ii]); > } > > ii=0; > while(envp != NULL && envp[ii] != NULL) > { > fprintf(fp, "envp[%d] = %s\n", ii, envp[ii]); > ii++; > } > > fclose(fp); > } > > > return 0; > } -- To unsubscribe from this list: send the line "unsubscribe linux-msdos" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
