Return to getenv.c CVS log

Up to [OS/2 SDKs] / os2sdk / demos / examples / getenv

Annotation of os2sdk/demos/examples/getenv/getenv.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Example of DOSGETENV usage
        !             3:  *
        !             4:  * This call gets the addresses of the environment strings and command
        !             5:  * line arguments belonging to the current process
        !             6:  *
        !             7:  * Compile as: cl -AL -Lp -G2 getenv.c
        !             8:  *
        !             9:  * Copyright (C) Microsoft Corp. 1986
        !            10:  */
        !            11: 
        !            12: #include  <doscalls.h>
        !            13: 
        !            14: main()
        !            15: {
        !            16:        unsigned int EnvSegment;      /* Segment handle to the env strings */
        !            17:        unsigned int CmdOffset;       /* Offset within EnvSegment where the
        !            18:                                          command line arguments can be found */
        !            19:        char *arg;                    /* Pointer to data */
        !            20: 
        !            21:        DOSGETENV(&EnvSegment,&CmdOffset); /* Get environment information */
        !            22: 
        !            23:        /* Set arg to point to the environment strings */
        !            24:        arg = (char *)((long)EnvSegment << 16);
        !            25: 
        !            26:        /* Print first environment string */
        !            27:        printf("Environment parameter #1: %s\n",arg);
        !            28: 
        !            29:        /* Set arg to point to the command line arguments */
        !            30:        arg = (char *)(((long)EnvSegment << 16) + CmdOffset);
        !            31: 
        !            32:        /* Print first command line argument */
        !            33:        printf("Command line argument #1: %s\n",arg);
        !            34: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.