运行 `gcc -o c4 c4.c` 时会出现许多编译警告

root@localhost:# gcc -o c4 c4.c c4.c: In function 'next': c4.c:56:18: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] 56 | printf("%d: %.*s", line, p - lp, lp); | ^ ~~~~ | | | | int long long int | %lld 等等 我的 gcc 版本 gcc -v 使用内置规范。 COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/aarch64-linux-gnu/11/lto-wrapper 目标: aarch64-linux-gnu 使用了: ../src/configure -v --with-pkgversion='Ubuntu 11.4.0-1ubuntu122.04' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=aarch64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libquadmath --disable-libquadmath-support --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --enable-fix-cortex-a53-843419 --disable-werror --enable-checking=release --build=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2 线程模型: posix 支持的 LTO 压缩算法: zlib zstd gcc 版本 11.4.0 (Ubuntu 11.4.0-1ubuntu122.04) root@localhost:~#