Re: [問卦] 學會c語言就翻身的八卦消失

看板Gossiping作者sppmg時間8年前 (2015/12/18 11:04)推噓-1(9推 10噓 2→)

留言21則, 20人參與討論串3/6 (看更多)

※ 引述《a98765s (綠茶微微)》之銘言： : ※ 引述《math520 ( )》之銘言： : : 學會c語言就翻身的八卦 : : 我朋友說 : : 他們公司有個水電工 : : 自從學會c語言後可直接控制硬體 : : 就變成人生勝利組工程師了 : : 廣達搶著要不看學歷水電工也可以 : : 所以文組只要去學c語言 : : 這輩子就不用煩惱錢了 : : 是這樣嗎？ : 是真的 : 上次我朋友寫好下面的程式 : 月薪馬上+3000 : #include <stdio.h> : #include <stdlib.h> : int main(void) : { : printf("Hello! World!\n"); : system("pause"); : return 0; : } : 這麼好康的事情 : 只能在ptt上面講幫原po平反XD ----------------- ~/tmp$ cat hi.c #include <stdio.h> main(void) { printf("Hello! World!\n"); } ~/tmp$ gcc hi.c -o hi -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 4.9.2-10' --with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.9 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --with-arch-32=i586 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.9.2 (Debian 4.9.2-10) COLLECT_GCC_OPTIONS='-o' 'hi' '-v' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-linux-gnu/4.9/cc1 -quiet -v -imultiarch x86_64-linux-gnu hi.c -quiet -dumpbase hi.c -mtune=generic -march=x86-64 -auxbase hi -version -o /tmp/ccFUkQfF.s GNU C (Debian 4.9.2-10) version 4.9.2 (x86_64-linux-gnu) compiled by GNU C version 4.9.2, GMP version 6.0.0, MPFR version 3.1.2-p3, MPC version 1.0.2 warning: GMP header version 6.0.0 differs from library version 5.0.2. GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../../x86_64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-linux-gnu/4.9/include /usr/local/include /usr/lib/gcc/x86_64-linux-gnu/4.9/include-fixed /usr/include/x86_64-linux-gnu /usr/include End of search list. GNU C (Debian 4.9.2-10) version 4.9.2 (x86_64-linux-gnu) compiled by GNU C version 4.9.2, GMP version 6.0.0, MPFR version 3.1.2-p3, MPC version 1.0.2 warning: GMP header version 6.0.0 differs from library version 5.0.2. GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: dc5310582b2a0cacbb4cea323963a0c0 COLLECT_GCC_OPTIONS='-o' 'hi' '-v' '-mtune=generic' '-march=x86-64' as -v --64 -o /tmp/ccheVFWQ.o /tmp/ccFUkQfF.s GNU assembler version 2.25 (x86_64-linux-gnu) using BFD version (GNU Binutils for Debian) 2.25 COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.9/:/usr/lib/gcc/x86_64-linux-gnu/4.9/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.9/:/usr/lib/gcc/x86_64-linux-gnu/ LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.9/:/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../../lib/:/lib/x86_64-linux-gnu/:/lib/../lib/:/usr/lib/x86_64-linux-gnu/:/usr/lib/../lib/:/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-o' 'hi' '-v' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-linux-gnu/4.9/collect2 -plugin /usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so -plugin-opt=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper -plugin-opt=-fresolution=/tmp/ccDBqRE2.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --sysroot=/ --build-id --eh-frame-hdr -m elf_x86_64 --hash-style=gnu -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o hi /usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.9/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.9 -L/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.9/../../.. /tmp/ccheVFWQ.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/x86_64-linux-gnu/4.9/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/crtn.o $ ~/tmp$ ./hi Hello! World! 事實證明gcc給過。應該是有預設void output 。 return ; 記得有說是預設 ----- 補個 Hello from a libc-free world! https://blogs.oracle.com/ksplice/entry/hello_from_a_libc_free 縮： https://goo.gl/YYKppc -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.32.188.151 ※ 文章網址: https://www.ptt.cc/bbs/Gossiping/M.1450407850.A.C9B.html

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roger29

12/18 11:05, , 1^F

12/18 11:05, 1^F

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yoyodiy

12/18 11:05, , 2^F

12/18 11:05, 2^F

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Leeng

12/18 11:05, , 3^F

12/18 11:05, 3^F