The ilSavePal function saves the current image's palette to a file.

FileName

Filename to save the palette data to.

If the current bound image has a palette, ilSavePal saves the current image's palette to the file specified by FileName. Currently, OpenIL only supports saving to Paint Shop Pro .pal files.

IL_ILLEGAL_OPERATION - There is currently no image bound. Use ilGenImages and ilBindImage before calling this function.
IL_INVALID_PARAM - FileName was NULL or contained no extension.
IL_INVALID_EXTENSION - No extension set matched FileName's extension.
IL_COULD_NOT_OPEN_FILE - Could not open FileName for writing.

ilGenImages, ilBindImage