48 lines
859 B
C
48 lines
859 B
C
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/* Mise en majuscules / minuscules */
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#include <stdio.h>
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#define N 255
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int length(char* c) {
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int i, len = -1;
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for (i = 0; i < N; i++) {
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if (c[i] == '\0') {
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len = i;
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break;
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}
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}
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return len;
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}
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void majuscule(char* c) {
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int i, len = length(c);
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for (i = 0; i < len; i++) {
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if ('a' <= c[i] && c[i] <= 'z') {
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c[i] += 'A' - 'a';
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}
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}
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}
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void minuscule(char* c) {
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int i, len = length(c);
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for (i = 0; i < len; i++) {
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if ('A' <= c[i] && c[i] <= 'Z') {
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c[i] += 'a' - 'A';
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}
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}
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}
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int main() {
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char c[N];
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printf("Entrez du texte : ");
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scanf("%s", &c);
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majuscule(c);
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printf("Majuscules : %s (addresse : 0x%x)\n", c, &c);
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minuscule(c);
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printf("Minuscules : %s (addresse : 0x%x)\n", c, &c);
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return 0;
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}
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