http_status_codes.h

Continue                      = 100, //< @b
SwitchingProtocols            = 101, //< @b
Processing                    = 102, //< @b
EarlyHints                    = 103, //< @b
Info_Unassigned               = 105, //< @b
 
OK                            = 200, //< @b
Created                       = 201, //< @b
Accepted                      = 202, //< @b
NonAuthoritativeInformation   = 203, //< @b
NoContent                     = 204, //< @b
ResetContent                  = 205, //< @b
PartialContent                = 206, //< @b
MultiStatus                   = 207, //< @b
AlreadyReported               = 208, //< @b
IMUsed                        = 226, //< @b
Success_Unassigned            = 227, //< @b
 
MultipleChoices               = 300, //< @b
MovedPermanently              = 301, //< @b
Found                         = 302, //< @b
SeeOther                      = 303, //< @b
NotModified                   = 304, //< @b
UseProxy                      = 305, //< @b
TemporaryRedirect             = 307, //< @b
PermanentRedirect             = 308, //< @b
Redirect_Unassigned           = 309, //< @b
 
BadRequest                    = 400, //< @b
Unauthorized                  = 401, //< @b
PaymentRequired               = 402, //< @b
Forbidden                     = 403, //< @b
NotFound                      = 404, //< @b
MethodNotAllowed              = 405, //< @b
NotAcceptable                 = 406, //< @b
ProxyAuthenticationRequired   = 407, //< @b
RequestTimeout                = 408, //< @b
Conflict                      = 409, //< @b
Gone                          = 410, //< @b
LengthRequired                = 411, //< @b
PreconditionFailed            = 412, //< @b
ContentTooLarge               = 413, //< @b
URITooLong                    = 414, //< @b
UnsupportedMediaType          = 415, //< @b
RangeNotSatisfiable           = 416, //< @b
ExpectationFailed             = 417, //< @b
MisdirectedRequest            = 421, //< @b
UnprocessableContent          = 422, //< @b
Locked                        = 423, //< @b
FailedDependency              = 424, //< @b
TooEarly                      = 425, //< @b
UpgradeRequired               = 426, //< @b
PreconditionRequired          = 428, //< @b
TooManyRequests               = 429, //< @b
RequestHeaderFieldsTooLarge   = 431, //< @b
UnavailableForLegalReasons    = 451, //< @b
Error_Unassigned              = 452, //< @b
 
InternalServerError           = 500, //< @b
NotImplemented                = 501, //< @b
BadGateway                    = 502, //< @b
ServiceUnavailable            = 503, //< @b
GatewayTimeout                = 504, //< @b
HTTPVersionNotSupported       = 505, //< @b
VariantAlsoNegotiates         = 506, //< @b
InsufficientStorage           = 507, //< @b
LoopDetected                  = 508, //< @b
NetworkAuthenticationRequired = 511, //< @b
ServerError_Unassigned        = 512, //< @b