' api_constants.pb — Windows API constants simulation
#COMPILE EXE
#DIM ALL

FUNCTION PBMAIN() AS LONG
    LOCAL apiCallID AS LONG
    LOCAL returnVal AS LONG
    LOCAL handleVal AS LONG
    LOCAL flagsVal AS LONG
    LOCAL attribVal AS LONG
    LOCAL accessVal AS LONG
    LOCAL shareVal AS LONG
    LOCAL creationVal AS LONG
    LOCAL i AS LONG
    LOCAL j AS LONG
    LOCAL totalCalls AS LONG
    LOCAL successCount AS LONG
    LOCAL failCount AS LONG
    LOCAL flagStr AS STRING
    LOCAL accessStr AS STRING
    LOCAL creationStr AS STRING
    LOCAL iter AS LONG
    LOCAL numAPIs AS LONG
    LOCAL result AS LONG

    numAPIs = 10

    PRINT "=== Windows API Constants ==="

    FOR totalCalls = 1 TO numAPIs
        apiCallID = totalCalls

        handleVal = 0
        flagsVal = 0
        attribVal = 0
        accessVal = 0
        shareVal = 0
        creationVal = 0

        IF apiCallID = 1 THEN
            PRINT "  CreateFile: GENERIC_READ | FILE_SHARE_READ"
            accessVal = 2147483648
            shareVal = 1
            creationVal = 2
        END IF
        IF apiCallID = 2 THEN
            PRINT "  CreateFile: GENERIC_WRITE | FILE_SHARE_WRITE"
            accessVal = 1073741824
            shareVal = 2
            creationVal = 1
        END IF
        IF apiCallID = 3 THEN
            PRINT "  OpenProcess: PROCESS_ALL_ACCESS"
            accessVal = 2035711
        END IF
        IF apiCallID = 4 THEN
            PRINT "  VirtualAlloc: MEM_COMMIT | PAGE_READWRITE"
            flagsVal = 4096
            attribVal = 4
        END IF
        IF apiCallID = 5 THEN
            PRINT "  VirtualFree: MEM_RELEASE"
            flagsVal = 32768
        END IF
        IF apiCallID = 6 THEN
            PRINT "  WaitForSingleObject: INFINITE"
            handleVal = 1
            flagsVal = -1
        END IF
        IF apiCallID = 7 THEN
            PRINT "  CreateThread: STACK_SIZE_DEFAULT"
            flagsVal = 0
        END IF
        IF apiCallID = 8 THEN
            PRINT "  SetFilePointer: FILE_BEGIN"
            creationVal = 0
        END IF
        IF apiCallID = 9 THEN
            PRINT "  GetProcAddress: ordinal or name"
            handleVal = 1
        END IF
        IF apiCallID = 10 THEN
            PRINT "  LoadLibrary: LOAD_LIBRARY_AS_DATAFILE"
            flagsVal = 2
        END IF

        IF accessVal > 0 OR flagsVal > 0 THEN
            successCount = successCount + 1
            result = accessVal + flagsVal + creationVal + shareVal
            PRINT "    Combined flags: " + STR$(result)
        ELSE
            failCount = failCount + 1
        END IF
    NEXT totalCalls

    PRINT "API calls: " + STR$(successCount) + " success, " + STR$(failCount) + " skipped"
    PRINT "=== End API Constants ==="
    FUNCTION = 0
END FUNCTION
