ngx_log_debug1    125 core/ngx_log.h #define ngx_log_debug1  ngx_log_debug
ngx_log_debug1    141 core/ngx_log.h #define ngx_log_debug1(level, log, err, fmt, arg1)                            \
ngx_log_debug1    183 core/ngx_log.h #define ngx_log_debug1(level, log, err, fmt, arg1)