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#include \stdio.h\ #include \string.h\
int *p; main() {
int x=1, y=2, z=3; p=&y;
fun(x+z, &y);
printf(\(1) %d %d %d\\n\, x, y, *p); }
fun( int x, int *y) {
int z=4; *p=*y+z;
x=*p-z;
printf(\(2) %d %d %d\\n\, x, *y, *p);
} 4£® ÏÂÃæ³ÌÐò¶ÎÊǰѴÓÖն˶ÁÈëµÄÒ»ÐÐ×Ö·û×÷Ϊ×Ö·û´®·ÅÔÚ×Ö·ûÊý×éÖУ¬È»ºóÊä³ö¡£ÇëÌî¿Õ¡£ #include \stdio.h\ #include \string.h\ main() {
int m;
char s[80], *t;
for (m=0; m<79; m++) {
s[m]=getchar();
if (s[m]=='\\n') break; }
s[m]= ¡¾?\\0?¡¿; t=¡¾s¡¿; while (*t)
putchar(*t++);
}
£¿£¿£¿£¿5£® ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇEXAMLE¡£ char s[80], *t=\EXAMPLE\; t=strcpy(s, t); s[0]='e';
puts(t);
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µÚÆßÕ ָ Õë ¡¤14¡¤
#include \stdio.h\
int sstrcmp( char *s, char *t) {
while (*s && *t && *s==¡¾*t¡¿) {
s++;
t++; }
return ¡¾*s-*t¡¿;
}
7£® ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ3 5¡£
void swap(int *a, int *b) {
int *t; t=a; a=b; b=t; }
main() {
int x=3, y=5, *p=&x, *q=&y; swap(p,q);
printf(\%d %d\\n\, *p, *q); }
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#include \stdio.h\
main() {
char *p=\abcdefgh\, *r; long *q; q=(long *) p; q++;
r=(char *) q;
printf(\%s\\n\, r);
}
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{
int m, n;
for (m=0,n=0; t[m]!='\\0';m++)
if (t[m]<'0' ¡¾||¡¿t[m]>'9')
{ t[n]=t[m]; n++;}
µÚÆßÕ ָ Õë ¡¤15¡¤
¡¾t[n]=?\\0?¡¿;
}
main()
{
char *s;
s=(char *) malloc (sizeof(char)); /*¸øs·ÖÅäÒ»¸öµØÖ·*/
printf(\\\n input the original string:\);
gets(s); delnum(s); puts(¡¾s¡¿);
}
10£®ÏÂÃæ³ÌÐòµÄ¹¦ÄÜÊDZȽÏÁ½¸ö×Ö·û´®ÊÇ·ñÏàµÈ£¬ÈôÏàµÈÔò·µ»Ø1£¬·ñÔò·µ»Ø0¡£ÇëÌî¿Õ¡£ #include \stdio.h\ #include \string.h\
fun (char *s, char *t) {
int m=0;
while (*(s+m)==*(t+m) && ¡¾*s!=?0?&&*t!=?0?¡¿) m++; return (¡¾*(s+m)==*(t+m)¡¿);
}
11£®ÏÂÃæ³ÌÐòÓÃÀ´¼ÆËãÒ»¸öÓ¢Îľä×ÓÖÐ×µ¥´ÊµÄ³¤¶È£¨×Öĸ¸öÊý£©max¡£¼ÙÉè¸ÃÓ¢Îľä×ÓÖÐÖ»º¬ÓÐ×ÖĸºÍ¿Õ¸ñ£¬ÔÚ¿Õ¸ñÖ®¼äÁ¬ÐøµÄ×Öĸ´®³ÆÎªµ¥´Ê£¬¾ä×ÓÒÔ'.'Ϊ½áÊø¡£ÇëÌî¿Õ¡£ #include \stdio.h\ main()
{
static char s[]={\ you make me happy when days are grey.\}, *t; int max=0, length=0; t=s;
while (*t!='.') {
while (((*t<='Z')&&(*t>='A'))||((*t<='z')&&(*t>='a')))
{
length++;
£¿£¿£¿£¿ ¡¾ t++¡¿; }
if (max t++; } printf(\max=%d\, max); } 12£®ÏÂÃæ³ÌÐòÊÇÅжÏÊäÈëµÄ×Ö·û´®ÊÇ·ñÊÇ¡°»ØÎÄ¡±£¬£¨Ë³¶ÁºÍµ¹¶Á¶¼Ò»ÑùµÄ×Ö·û´®³ÆÎª¡°»ØÎÄ¡±£¬ Èçlevel£©¡£ÇëÌî¿Õ¡£ #include \stdio.h\ µÚÆßÕ ָ Õë ¡¤16¡¤ #include \string.h\ main() { char s[80], *t1, *t2; int m; gets(s); m=strlen(s); t1=s; t2=¡¾s+m-1¡¿; while(t1 { if (*t1!=*t2) break; else { t1++; ¡¾t2--¡¿;} } if (t1 } 13£®µ±ÔËÐÐÒÔϳÌÐòʱ£¬´Ó¼üÅÌÊäÈ룺apple¨L tample¨L £¿£¿£¿£¿ ÔòÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ__aptample______¡£ #include \stdio.h\ main() { char s[80], *t; t=s; gets(t); while (*(++t)!='\\0') if (*t=='a') break; else { t++; gets(t); } puts(t); } 14£®µ±ÔËÐÐÒÔϳÌÐòʱ£¬´Ó¼üÅÌÊäÈë6¨L£¬ÔòÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ__£¿£¿£¿£¿___97671___¡£ #include \stdio.h\ #include \string.h\ main() { char s[]=\97531\, c; c=getchar(); f(s,c); puts(s); } f(char *t, char ch) { while (*(t++)!='\\0');