ngx_log_debug3    127 core/ngx_log.h #define ngx_log_debug3  ngx_log_debug
ngx_log_debug3    149 core/ngx_log.h #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3)                \
ngx_log_debug3    185 core/ngx_log.h #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3)