Help functions

This chapter describes the built-in 4GL functions used to get more information about the running application:

• err_get() and fgl_gethelp() return the text of the 4GL or SQL error message for the specified argument
• err_print() displays the text of an SQL or 4GL error message corresponding to a negative integer argument to the error line
• err_quit() displays the text of an SQL or 4GL error message corresponding to the error code specified by its negative integer argument to the error line and then terminates the program
• errorlog() copies its argument into the current error log file
• showhelp() displays a runtime help message, corresponding to its specified SMALLINT argument from the current help file
• startlog() opens an error log file