| Index Entry |  Section | 
 
  | 
| 3 |  |  | 
 | 387 environment variable, and math coprocessor detection | _8087 | 
 | 387 environment variable, and numeric coprocessor detection | _8087 | 
 
  | 
| _ |  |  | 
 | _8087 | _8087 | 
 | __djgpp_memory_handle_list | __djgpp_memory_handle_list | 
 | __djgpp_memory_handle_size | __djgpp_memory_handle_size | 
 | __djgpp_stack_overflow_eip | Stack overflow handler | 
 | __dpmi_error | DPMI Overview | 
 | __libc_free_hook | malloc hook functions | 
 | __libc_free_null_hook | malloc hook functions | 
 | __libc_malloc_fail_hook | malloc hook functions | 
 | __libc_malloc_hook | malloc hook functions | 
 | __libc_realloc_hook | malloc hook functions | 
 | _crt0_startup_flags | _crt0_startup_flags | 
 | _djstat_fail_bits | _djstat_fail_bits | 
 | _djstat_flags | _djstat_flags | 
 | _doserrno | _doserrno | 
 | _fmode | _fmode | 
 | _go32_info_block | _go32_info_block | 
 | _go32_interrupt_stack_size | _go32_interrupt_stack_size | 
 | _go32_rmcb_stack_size | _go32_rmcb_stack_size | 
 | _stklen | _stklen | 
 
  | 
| C |  |  | 
 | CMDLINE environment variable, and spawn* | spawn* | 
 | CMDLINE environment variable, and system | system | 
 | COMSPEC environment variable, and password file entries | getpwent | 
 | COMSPEC environment variable, and spawn* | spawn* | 
 | COMSPEC environment variable, and system | system | 
 
  | 
| D |  |  | 
 | DJGPP environment variable | __crt0_load_environment_file | 
 | DJSYSFLAGS environment variable, and the behaviour of system | system | 
 
  | 
| E |  |  | 
 | errno | errno | 
 
  | 
| F |  |  | 
 | FNCASE environment variable | _preserve_fncase | 
 | FNCASE environment variable, and file-name globbing | glob | 
 | FNCASE environment variable, how to disable at start-up | _crt0_startup_flags | 
 
  | 
| G |  |  | 
 | GROUP environment variable, and group entries | getgrent | 
 
  | 
| H |  |  | 
 | HOME environment variable, and password file entries | getpwent | 
 | HOSTNAME environment variable | gethostname | 
 
  | 
| L |  |  | 
 | LD_LIBRARY_PATH | Description                                                                                                                       | 
 | LFN environment variable | _use_lfn | 
 | LFN environment variable and _rename | _rename | 
 | LFN environment variable, and file-name case | _preserve_fncase | 
 | LFN environment variable, and file-name globbing | glob | 
 | LFN environment variable, how to disable at start-up | _crt0_startup_flags | 
 | LOGNAME environment variable, and the user's login ID | getlogin | 
 
  | 
| M |  |  | 
 | MALLOC_DEBUG environment variable | malloc_debug | 
 | math_errhandling | math_errhandling | 
 
  | 
| P |  |  | 
 | PATH environment variable, and finding files with searchpath | searchpath | 
 | PATH environment variable, and spawn* | spawn* | 
 
  | 
| S |  |  | 
 | ScreenAttrib | Screen Variables | 
 | ScreenPrimary | Screen Variables | 
 | ScreenSecondary | Screen Variables | 
 | SHELL environment variable, and password file entries | getpwent | 
 | SHELL environment variable, and system | system | 
 | sys_errlist | sys_errlist | 
 | sys_nerr | sys_nerr | 
 
  | 
| T |  |  | 
 | TEMP environment variable, and tempnam | tempnam | 
 | TEMP environment variable, and tmpnam | tmpnam | 
 | TMP environment variable, and tempnam | tempnam | 
 | TMP environment variable, and tmpnam | tmpnam | 
 | TMPDIR environment variable, and tempnam | tempnam | 
 | TMPDIR environment variable, and tmpnam | tmpnam | 
 | TZ environment variable, and time since 1970 | mktime | 
 | TZ environment variable, and tzname | tzset | 
 | tzname | tzset | 
 
  | 
| U |  |  | 
 | USER environment variable, and the user's login ID | getlogin | 
 | USERNAME environment variable, and the user's login ID | getlogin | 
 
  |