* exec/config.h.in: Update config.h.in. * exec/configure.ac: Check for stpcpy and stpncpy. * exec/exec.c (rpl_stpcpy, rpl_stpncpy): Define replacements when they are not present on the system. (process_program_header): Fill comment.
This directory holds the source code to a library used to replace the `execve' and `execveat' system calls, used by the Android port of Emacs to start executables without intervention from the system.