O_CREAT 137 os/unix/ngx_files.c fd = open((const char *) name, O_CREAT|O_EXCL|O_RDWR, O_CREAT 72 os/unix/ngx_files.h #define NGX_FILE_CREATE_OR_OPEN O_CREAT O_CREAT 74 os/unix/ngx_files.h #define NGX_FILE_TRUNCATE O_CREAT|O_TRUNC