Is FILE in C language a keyword?

problem description

Is FILE in

C a keyword? I feel like a structure, but I"m curious. If it"s a structure, why not write it as struct FILE? Wouldn"t it be wrong to write FILE directly?

C cPP
Apr.18,2022

is a custom type:

typedef struct _ iobuf FILE;

where iobuf is the structure

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bf32ce-316aa.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf32ce-316aa.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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