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C语言库strcspn()函数
#include <stdio.h> #include <string.h> int main () { int len; const char str1[] = "ABCDEF4960910";
C语言库strncpy()函数
#include <stdio.h> #include <string.h> int main () { char src[40]; char dest[12]; memset(dest, '\\0', sizeof(dest));
C语言读取文件
// C语言读取文件 #include <stdio.h> int main() { FILE *fp; char buff[255]; fp = fopen("/tmp/test.txt", "r");
C语言访问存储的值
// C语言访问存储的值 #include <stdio.h> int main() { int a; int b; a = 10; b = 20; printf( "Value of a = %d\\n", a );
C语言字符变量
// C语言字符变量 // ------------------------------------ #include <stdio.h> int main() { char c;// char variable declaration
C语言整数变量
// C语言整数变量 // ----------------------------- #include <stdio.h> int main() { int i;// integer variable declaration
C语言浮点数变量
// ---------------------------------------- #include <stdio.h> int main() { float f;// floating point variable declaration
C语言双精度变量
// ---------------------------------------------- #include <stdio.h> int main() { double d;// double precision variable declaration
C语言相加操作
// #include <stdio.h> int main() { int op1, op2, sum;// variable declaration op1 = 5;// variable definition
C语言数字类型
// #include <stdio.h> int main() { shorts; inti; longl; floatf; double d; s = 10; i = 1000; l = 1000000;
C语言数学运算
// #include <stdio.h> #include <math.h> int main() { shorts; inti; longl; floatf; double d; printf( "sin(s): %f\\n", sin(10));
C语言print语句中的转义序列
// #include <stdio.h> int main() { charch1; charch2; charch3; charch4; ch1 = '\\t'; ch2 = '\\n';
C语言数组
#include <stdio.h> int main() { intnumber1; intnumber2; intnumber3; intnumber4; intnumber5; number1 = 10;
C语言%c打印字符值
// ------------------------------------- #include <stdio.h> int main() { char ch[5] = {'H', 'e', 'l', 'l', 'o'};
C语言字符串
#include <stdio.h> int main() { char ch[5] = "Hello"; int i = 0; /* Print as a complete string */
C语言函数
#include <stdio.h> int main() { int set1[5] = {10, 20, 30, 40, 50}; int set2[5] = {101, 201, 301, 401, 501};