| File Functions | |
| debug_clearerr | Clear error indicator |
| debug_fclose | Closes an open stream |
| debug_feof | Check end of file condition |
| debug_ferror | Check error indicator |
| debug_fflush | Flushes buffered output |
| debug_fgetc | Read a character from a stream |
| debug_fgetpos | Return file position |
| debug_fgets | Read a string |
| debug_filesize | Return the size of a file |
| debug_fopen | Opens a file on the host PC |
| debug_fprintf | Formatted write |
| debug_fprintf_c | Formatted write |
| debug_fputc | Write a character |
| debug_fputs | Write a string |
| debug_fread | Read data |
| debug_freopen | Reopens a file on the host PC |
| debug_fscanf | Formatted read |
| debug_fscanf_c | Formatted read |
| debug_fseek | Set file position |
| debug_fsetpos | Teturn file position |
| debug_ftell | Return file position |
| debug_fwrite | Write data |
| debug_remove | Deletes a file on the host PC |
| debug_rename | Renames a file on the host PC |
| debug_rewind | Set file position to the beginning |
| debug_tmpfile | Open a temporary file |
| debug_tmpnam | Generate temporary filename |
| debug_ungetc | Push a character |
| debug_vfprintf | Formatted write |
| debug_vfscanf | Formatted read |
| Debug Terminal Output Functions | |
| debug_printf | Formatted write |
| debug_printf_c | Formatted write |
| debug_putchar | Write a character |
| debug_puts | Write a string |
| debug_vprintf | Formatted write |
| Debug Terminal Input Functions | |
| debug_getch | Blocking character read |
| debug_getchar | Line-buffered character read |
| debug_getd | Line-buffered double read |
| debug_getf | Line-buffered float read |
| debug_geti | Line-buffered integer read |
| debug_getl | Line-buffered long read |
| debug_getll | Line-buffered long long read |
| debug_gets | String read |
| debug_getu | Line-buffered unsigned integer |
| debug_getul | Line-buffered unsigned long read |
| debug_getull | Line-buffered unsigned long long read |
| debug_kbhit | Polled character read |
| debug_scanf | Formatted read |
| debug_scanf_c | Formatted read |
| debug_vscanf | Formatted read |
| Debugger Functions | |
| debug_abort | Stop debugging |
| debug_break | Stop target |
| debug_enabled | Test if debug input/output is enabled |
| debug_evaluate | Evaluate debug expression |
| debug_exit | Stop debugging |
| debug_getargs | Get arguments |
| debug_loadsymbols | Load debugging symbols |
| debug_runtime_error | Stop and report error |
| debug_unloadsymbols | Unload debugging symbols |
| Misc Functions | |
| debug_getenv | Get environment variable value |
| debug_perror | Display error |
| debug_system | Execute command |
| debug_time | get time |