/* Open file NAME for writing. If BINARY is non-zero, open in
binary mode. Return >= 0 on success, -1 on error. */
int (*open_write) (struct pex_obj *, const char */* name */,
- int /* binary */);
+ int /* binary */, int /* append */);
/* Execute a child process. FLAGS, EXECUTABLE, ARGV, ERR are from
pex_run. IN, OUT, ERRDES, TOCLOSE are all descriptors, from
open_read, open_write, or pipe, or they are one of STDIN_FILE_NO,