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来自 中国古代史 2019-09-27 10:01 的文章
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12个滑稽的C语言面试问答——《拾二个风趣的C语

出自《景德传灯录middot;省念禅师》,其中记载:问:四众围观,师说何法?rsquo;师曰:打草蛇惊rsquo;。 也有一说是出自《酉阳杂俎》,经考证,实无此句。

喻行事不慎,反使对方有所戒备。

 

 

#include<stdio.h>

void main(void)
{
    char *ptr = (char*)malloc(10);

    if(NULL == ptr)
    {
        printf("n Malloc failed n");
        return;
    }
    else
    {
        // Do some processing

        free(ptr);
    }

    return;
}

  

compile="compile" compilers="compilers" error="error" free="free" function="function" main="main" most="most" of="of" regarding="regarding" return="Return" the="the" type="type" warning="warning" will="will" with="with"> because="because" int="int" is="is" lets="lets" lsquo="lsquo" main="main" of="of" program="program" rather="rather" return="return" rsquo="rsquo" should="should" status="status" than="than" the="the" this="This" to="to" type="type" void="void"> becomes="becomes" being="being" especially="especially" important="important" is="is" of="of" on="on" part="part" program="program" relies="relies" run="run" script="script" success="success" the="the" this="This" value="value" when="when" which="which"> program="program">

 

#include<stdio.h>

void func(void)
{
    printf("n Cleanup function called n");
    return;
}

int main(void)
{
    int i = 0;

    atexit(func);

    for(;i<0xffffff;i++);

    _exit(0);
}

behavior="behavior" call="call" clean-up="clean-up" does="does" due="due" etc="etc" function="function" functions="functions" if="If" is="is" like="like" not="not" of="of" the="the" this="This" to="to" use="use"> exit="exit" is="is" lsquo="lsquo" or="or" required="required" return="return" rsquo="rsquo" should="should" then="then" to="to" used="used">

 

 

 

 int func(void *ptr)

argument="argument" can="can" function="function" like="like" looks="looks" of="of" that="that" type="type">

function="function" if="if" more="more" needs="needs" object="object" one="one" passed="passed" structure="structure" than="than" the="the" then="then" this="this" to="to" where-in="where-in" with="with"> members="members" need="need" passed="passed" populated="populated" structure="structure" that="that" the="the" to="to" with="with">

int main(void)
{
    char *ptr = (char*)malloc(10);

    if( NULL == ptr)
    {
        printf("n Malloc failed n");
        return 1;
    }

    // Do some processing
    free(ptr);

    return 0;

}

void *memset(void *s, int c, size_t n);

 

 

int main(void)
{
    char *ptr = (char*)malloc(10);

    if(NULL == ptr)
    {
        printf("n Malloc failed n");
        return 1;
    }
    else
    {
        // Do some processing

        free(ptr);
        return 0;
    }
}
#include<stdio.h>

int main(void)
{
    char *ptr = "Linux";
    printf("n [%c] n",*ptr++);
    printf("n [%c] n",*ptr);

    return 0;
}

 

rsquo="rsquo">

the="the" would="would"> 

[L] 

[i]

going="Going" left="left" logic="logic" lsquo="lsquo" of="of" place="place" priority="priority" processing="processing" ptr="ptr" right="right" rsquo="rsquo" same="same" since="Since" so="so" takes="takes" the="the" this="this" to="to"> and="and" applied="applied" both="both" evaluated="evaluated" first="first" fix="fix" in="in" is="is" l="L" lsquo="lsquo" now="Now" on="on" operations="operations" post="post" ptr="ptr" result="result" rsquo="rsquo" since="since" so="so" then="then" these="these" was="was"> printf="printf" rsquo="rsquo" the="the" would="would">

#include<stdio.h>

void main(void)
{
    char *ptr = (char*)malloc(10);

    if(NULL == ptr)
    {
        printf("n Malloc failed n");
        return;
    }
    else
    {
        // Do some processing
    }

    return;
}

  


as="as" but="but" cause="cause" code="code" freeing="freeing" is="is" leak="leak" lsquo="lsquo" memory="memory" not="not" ptr="ptr" rsquo="rsquo" still="still" the="the" this="this" though="Though" to="to" up="up" well="Well" would="would"> all="all" allocated="allocated" by="by" done="done" exits="exits" is="is" memory="memory" processing="processing" program="program" since="Since" so="so" terminates="terminates" the="the"> a="a" above="above" all="all" as="as" automatically="automatically" but="But" caused="caused" cleanup="cleanup" code="code" freed="freed" have="have" if="if" inside="inside" loop="loop" memory="memory" of="of" part="part" serious="serious" the="the" then="then" this="this" was="was" while="while" would="would"> leaks="leaks">

 

 

func(void){ printf("n Cleanup function called n"); return;}int main(void){ int i = 0; atexit(func); for(;i0xffffff;i++); _exit(0);} int func(void *ptr) void *...

 

#include<stdio.h>

int main(int argc, char *argv[])
{
    char *ptr = (char*)malloc(10);

    if(NULL == ptr)
    {
        printf("n Malloc failed n");
        return -1;
    }
    else if(argc == 1)
    {
        printf("n Usage  n");
    }
    else
    {
        memset(ptr, 0, 10);

        strncpy(ptr, argv[1], 9);

        while(*ptr != 'z')
        {
            if(*ptr == '')
                break;
            else
                ptr++;
        }

        if(*ptr == 'z')
        {
            printf("n String contains 'z'n");
            // Do some more processing
        }

       free(ptr);
    }

    return 0;
}

 

ptr="">
code="code" here="here" in="in" incrementing="incrementing" inside="inside" is="is" loop="loop" lsquo="lsquo" now="Now" problem="problem" ptr="ptr" rsquo="rsquo" that="that" the="the" while="while"> before="before" even="even" executing="executing" free="free" input="input" is="is" loop="loop" lsquo="lsquo" once="once" passed="passed" rsquo="rsquo" so="so" supplied="supplied" terminates="terminates" the="the" to="to" when="when" while="while" zebra="zebra"> but="But" by="by" case="case" freeze="freeze" given="given" held="held" hence="hence" in="in" inside="inside" is="is" loop="loop" lsquo="lsquo" malloc="malloc" of="of" ptr="ptr" rsquo="rsquo" same="same" the="the" updated="updated" while="while"> address="address" causes="causes" crash="crash" free="free" incorrect="incorrect" is="is" or="or" passed="passed" seg-fault="seg-fault" the="the" to="to" which="which">

 

        memset(ptr, 0, 10);

        strncpy(ptr, argv[1], 9);

        while(*ptr != 'z')
        {
            if(*ptr == '')
                break;
            else
                ptr++;
        }

        if(*ptr == 'z')
        {
            printf("n String contains 'z'n");
            // Do some more processing
        }

  

return -1;

memset(ptr, 0, 10);

ptr[9]=''

char *ptr = (char*)calloc(10,1);

main(void){ char *ptr = (char*)malloc(10); if(NULL == ptr) { printf("n Malloc failed n"); return; } else { // Do some processing free(ptr); } return;} int mai...

本文由澳门唯一金莎娱乐发布于中国古代史,转载请注明出处:12个滑稽的C语言面试问答——《拾二个风趣的C语

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