| Option name | Equivalent pragma name | Description |
|---|---|---|
| -I | None. | Adds a directory to the search path for include files. |
| -qidirfirst | #pragma options idirfirst | Specifies whether the compiler searches for user include files in directories specified by the -I option before or after searching any other directories. |
| -qinclude | None. | Specifies additional header files to be included in a compilation unit, as though the files were named in an #include statement in the source file. |
| -qsourcetype | None. | Instructs the compiler to treat all recognized source files as a specified source type, regardless of the actual file name suffix. |
| -qstdinc | #pragma options stdinc | Specifies whether the standard include directories are included in the search paths for system and user header files. |