c/c++语言开发共享为什么这个用C编译而不是C ++（sigaction）？

尝试使用g ++编译下面的代码时出现以下错误。 当我使用gcc编译它时它工作正常（除了一些警告）。 任何帮助赞赏。

g++ ush7.cpp ush7.cpp: In function 'int signalsetup(sigaction*, sigset_t*, void (*)(int))': ush7.cpp:93: error: expected unqualified-id before 'catch' ush7.cpp:95: error: expected primary-expression before 'catch' ush7.cpp:95: error: expected `;' before 'catch' ush7.cpp:97: error: expected primary-expression before 'catch' ush7.cpp:97: error: expected `;' before 'catch' ush7.cpp:100: error: expected primary-expression before 'catch' ush7.cpp:100: error: expected `)' before 'catch' ush7.cpp:108: error: expected `)' before ';' token ush7.cpp:108: error: expected `)' before ';' token ush7.cpp: In function 'int makeargv(const char*, const char*, char***)': ush7.cpp:137: error: invalid conversion from 'void*' to 'char*' ush7.cpp:145: error: invalid conversion from 'void*' to 'char**' 

 int signalsetup(struct sigaction *def, sigset_t *mask, void (*handler)(int)) { struct sigaction catch; catch.sa_handler = handler; /* Set up signal structures */ def->sa_handler = SIG_DFL; catch.sa_flags = 0; def->sa_flags = 0; if ((sigemptyset(&(def->sa_mask)) == -1) || (sigemptyset(&(catch.sa_mask)) == -1) || (sigaddset(&(catch.sa_mask), SIGINT) == -1) || (sigaddset(&(catch.sa_mask), SIGQUIT) == -1) || (sigaction(SIGINT, &catch, NULL) == -1) || (sigaction(SIGQUIT, &catch, NULL) == -1) || (sigemptyset(mask) == -1) || (sigaddset(mask, SIGINT) == -1) || (sigaddset(mask, SIGQUIT) == -1)) return -1; return 0; } 

 #define catch _catch 

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