xgalaga @2.1.1.0: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]

[ryandesign (Ryan Carsten Schmidt)]

​https://build.macports.org/builders/ports-15_x86_64-builder/builds/7386/steps/install-port/logs/stdio

title.c:23:7: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
   23 | const LINESIZE= 70;
      | ~~~~~ ^
      | int
title.c:24:7: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
   24 | const VISIBLELINES=main.c:826:13: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  826 | sta7;
      | ~~~~~ ^
      | int
title.c:25:7: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
   25 | const SPEEDFACTOR=5;
      | ~~~~~ ^
      | int