ngx_log_debug2    141 src/core/ngx_log.h #define ngx_log_debug2(level, log, err, fmt, arg1, arg2)                      \
ngx_log_debug2    179 src/core/ngx_log.h #define ngx_log_debug2(level, log, err, fmt, arg1, arg2)                      \
ngx_log_debug2    218 src/core/ngx_log.h #define ngx_log_debug2(level, log, err, fmt, arg1, arg2)