C语言标准输入输出详解.doc

CCCCTurbo C2.0Turbo C2.0, : 1.1 1.1.1 Turbo C2.0 printf( ) scanf(), printf()(); scanf() ()printf()printf(), printf():printf(, );: , ; , %, , , , , 1. Turbo C2.0: %d %u %f %s %c %p %e %x, %X %0 %g :(1). %: %3d 3, 3%9.2f 9, 2,6, 9%8s 8, 8, , , ;, , 0, 0: %04d 4, 04, ,: %6.9s 699, 9(2). %l, : %ld long%lf double(3). , %- , : %-7d 7%-10s 102. n f r t Tabxhh ASCII16,hh1216printf(), , Turbo C2.01#include#includeint main()char c, s20, *p;int a=1234, *i;float f=3.141592653589;double x=0.12345678987654321;p=How do you do;strcpy(s, Hello, Comrade);* i=12;c=x41; printf(a=%dn, a); /*a=1234*/printf(a=%6dn, a); /*6a= 1234*/printf(a=%06dn, a); /*6a=001234*/printf(a=%2dn, a); /*a2, a=1234*/printf(*i=%4dn, *i); /*4* i= 12*/printf(*i=%-4dn, *i); /*4*i=12*/printf(i=%pn, i); /*i=06E4*/printf(f=%fn, f); /*f=3.141593*/printf(f=6.4fn, f); /*64f=3.1416*/printf(x=%lfn, x); /*x=0.123457*/printf(x=%18.16lfn, x);/*1816x=0.1234567898765432*/printf(c=%cn, c); /*c=A*/printf(c=%xn, c); /*ASCIIc=41*/printf(s=%sn, s); /*s=Hello, Comrade*/printf(s=%6.9sn, s);/*9s=Hello,Co*/printf(s=%pn, s); /*s=FFBE*/printf(*p=%sn, p); /* p=How doyou do*/printf(p=%pn, p); /*p=0194*/getch();retunr 0;1.#includestdio.h, , Turbo C2.0, *.h, #include#include*. h, , scanf()scanf(), () :scanf(, );1. : printf()2. : scanf()3. : scanf(), printf(), ,2:main()int i, j;printf(i, j=?n);scanf(%d, %d, &i, &j);scanf(), , , scanf(), :(1). , , scanf(), &3mian() char *p, str20;scanf(%s, p); /*/scanf(%s, str);printf(%sn, p); /*/printf(%sn, str);(2). %, 310p, scanf() scanf(%10s, p);10, p, scanf(%s, str)11scanf(), :scanf(), :main()char c1, c2;scanf(%c, &c1); scanf(%c, &c2);printf(c1 is %c, c2 is %c, c21, c2);, A (),scanf(%c, &c1), c1A, ,scanf(%c, &c2), c2, AB,: c1 is A, c2 is B, fflush()( ):#includemain()char c1, c2;scanf(%c, &c1);fflush(stdin);scanf(%c, &c2);printf(c1 is %c, c2 is %c, c1, c2); 1.1.2 , , , , puts()gets()1. puts()puts()(), :puts(s);s()puts()printf(%sn, s)4:main()char s20, *f; /*/strcpy(s, Hello! Turbo C2.0); /*/f=Thank you; /*/ puts(s);puts(f);:(1). puts(), (2). puts():puts(Hello, Turbo C2.0);2. gets()gets()(), :gets(s);s()gets(s)scanf(%s, &s), , scanf(%s, &s), , gets() 5main()char s20, *f;printf(Whats your name?n);gets(s); /*/puts(s); /*/puts(How old are you?);gets(f);puts(f);:(1). gets(s)s, , Null pointer asignmemtputchar()getch()getche()getchar()1. putchar()putchar(), :putchar(ch); chputchar()printf(%c, ch);6:#includemain()char c: /*/c=B; /*/putchar(c); /*/putchar(x42); /*B*/putchar(0x42); /*ASCIIB*/2. getch()getche()getchar()(1) getch()getche():getch();getche();: getch(),getche() 7:#includemain()char c, ch;c=getch(); /*c*/putchar(c); /*/ch=getche(); /*ch*/putchar(ch);, 8:#includemain()char c, s20;printf(Name:);gets(s); printf(Press any key to confinue.)